My iPad fell & no more wifi connections :(

I used to connect with my home wifi easily until it fell down, it doesn't show any networks under "choose a network" although am near the modem.
I tries reseting the network, didn't work ..
Anything I can do ?

R alhosani wrote:
I used to connect with my home wifi easily until it fell down,
Oh. I thought you meant your rounter or modem or something fell. Yeah if your internet stopped working on ipad after it fell, then Stuwawah is right you will probably need to take it to your local apple store!

Similar Messages

IPad (3rd gen) losing wifi connection during BBC iPlayer downloads

Hi,
I am having a strange, app-specific problem with my iPad 3rd generation (wifi only, 64GB) running iOS 6.1.3.
When I use the BBC iPlayer app (version 2.0.5.33) to download a TV show to watch offline, my iPad almost always loses wifi connection a minute or two into the download, and it stays disconnected until I go into Settings > Wifi and select my home network again. If I resume the download in iPlayer, the same issue will typically recur within a minute or two.
I am not having any other connectivity problems with this iPad, and other sizeable downloads (e.g. from iTunes, from the App Store etc) are not having the same issue. Similarly, I can stream live BBC iPlayer content without issue - it is just the iPlayer downloads that seem to create this condition (which then effects the whole iPad / all other running apps).
I have tried to "forget this network", resetting network settings and restoring my entire iPad - none of these have stopped the issue. Interestingly, during restore of the iPad I received ugly BIOS-esque messages relating to AppleBCMWLANCore, which have disappeared after a hard reboot (power + home buttons together) - does this indicate a problem with the iPad hardware itself?
Anyone else experiencing something similar? Any suggestions to fix this? Or am I dependent on the BBC updating the app?
Cheers,
James

Hey James,
I would try out standard third party application troubleshooting and see if that resolves the Wi-Fi issue. :
1. Update your device software
2. Check for app updates
3. Install another app from the App Store
4. Restart the application
5. Restart your device
6. Reinstall the affected application
For more info on each step, check out the full article:
iOS: Troubleshooting applications purchased from the App Store
http://support.apple.com/kb/TS1702
If none of those steps work, then you would want to contact the developer of the application for further assistance.
Regards,
David

IPad (3rd gen) losing wifi connection during large downloads

Hi,
I am having a problem with my iPad 3rd generation (wifi only, 64GB) running iOS 6.1.3.
When I download large files (e.g. via the iTunes app, the BBC iPlayer app, The Economist app), my iPad almost always loses wifi connection a minute or two into the download, and often stays disconnected until I go into Settings > Wifi and select my home network again. If I resume the download in relevant application, the same issue will typically recur within a minute or two.
I am not having any other problems with this iPad - general internet browsing / streaming of video has been fine. I originally thought the issue was only with the BBC iPlayer app, but sadly have found it to be more widespread.
I have tried to "forget this network", resetting network settings, restoring my entire iPad (twice), and resetting all settings - none of these have stopped the issue. Interestingly, during the first restore of the iPad I received ugly BIOS-esque messages relating to AppleBCMWLANCore, which disappeared after a hard reboot (power + home buttons together), and did not recur on the 2nd restore.
Anyone else experiencing something similar? Any suggestions to fix this?
Cheers,
James

Locate the iPad as close as possible to your router.
Some things to try first:
1. Turn Off your iPad. Then turn Off (disconnect power cord for 30 seconds or longer) the wireless router & then back On. Now boot your iPad. Hopefully it will see the WiFi.
2. Go to Settings>Wi-Fi and turn Off. Then while at Settings>Wi-Fi, turn back On and chose a Network.
3. Change the channel on your wireless router (Auto or Channel 6 is best). Instructions at http://macintoshhowto.com/advanced/how-to-get-a-good-range-on-your-wireless-netw ork.html
4. Go into your router security settings and change from WEP to WPA with AES.
5. Renew IP Address: (especially if you are droping internet connection)
    •    Launch Settings app
    •    Tap on Wi-Fi
    •    Tap on the blue arrow of the Wi-Fi network that you connect to from the list
    •    In the window that opens, tap on the Renew Lease button
6. Potential Quick Fixes When Your iPad Won’t Connect to Your Wifi Network
http://ipadinsight.com/ipad-tips-tricks/potential-quick-fixes-when-your-ipad-won t-connect-to-your-wifi-network/
~~~~~~~~~~~~~~~~~~~~~~~~~
iOS 6 Wifi Problems/Fixes
Wi-Fi Fix for iOS 6
https://discussions.apple.com/thread/4823738?tstart=240
How To: Workaround iPad Wi-Fi Issues
http://www.theipadfan.com/workaround-ipad-wifi-issues/
Another Fix For iOS 6 WiFi Problems
http://tabletcrunch.com/2012/10/27/fix-ios-6-wifi-problems-ssid/
Wifi Doesn't Connect After Waking From Sleep - Sometimes increasing screen brightness prevents the failure to reconnect after waking from sleep. According to Apple, “If brightness is at lowest level, increase it by moving the slider to the right and set auto brightness to off.”
Fix For iOS 6 WiFi Problems?
http://tabletcrunch.com/2012/09/27/fix-ios-6-wifi-problems/
Did iOS 6 Screw Your Wi-Fi? Here’s How to Fix It
http://gizmodo.com/5944761/does-ios-6-have-a-wi+fi-bug
How To Fix Wi-Fi Connectivity Issue After Upgrading To iOS 6
http://www.iphonehacks.com/2012/09/fix-wi-fi-connectivity-issue-after-upgrading- to-ios-6.html
iOS 6 iPad 3 wi-fi "connection fix" for netgear router
http://www.youtube.com/watch?v=XsWS4ha-dn0
Apple's iOS 6 Wi-Fi problems
http://www.zdnet.com/apples-ios-6-wi-fi-problems-linger-on-7000004799/
~~~~~~~~~~~~~~~~~~~~~~~
How to Boost Your Wi-Fi Signal
http://ipad.about.com/od/iPad_Troubleshooting/a/How-To-Boost-Your-Wi-Fi-Signal.h tm
Troubleshooting a Weak Wi-Fi Signal
http://ipad.about.com/od/iPad_Troubleshooting/a/Troubleshooting-A-Weak-Wi-Fi-Sig nal.htm
How to Fix a Poor Wi-Fi Signal on Your iPad
http://ipad.about.com/od/iPad_Troubleshooting/a/How-To-Fix-A-Poor-Wi-Fi-Signal-O n-Your-iPad.htm
iOS Troubleshooting Wi-Fi networks and connections http://support.apple.com/kb/TS1398
iPad: Issues connecting to Wi-Fi networks http://support.apple.com/kb/ts3304
WiFi Connecting/Troubleshooting http://www.apple.com/support/ipad/wifi/
How to Fix: My iPad Won't Connect to WiFi
http://ipad.about.com/od/iPad_Troubleshooting/ss/How-To-Fix-My-Ipad-Wont-Connect -To-Wi-Fi.htm
iOS: Connecting to the Internet http://support.apple.com/kb/HT1695
iOS: Recommended settings for Wi-Fi routers and access points http://support.apple.com/kb/HT4199
How to Quickly Fix iPad 3 Wi-Fi Reception Problems
http://osxdaily.com/2012/03/21/fix-new-ipad-3-wi-fi-reception-problems/
iPad Wi-Fi Problems: Comprehensive List of Fixes
http://appletoolbox.com/2010/04/ipad-wi-fi-problems-comprehensive-list-of-fixes/
Connect iPad to Wi-Fi (with troubleshooting info)
http://thehowto.wikidot.com/wifi-connect-ipad
Fix iPad Wifi Connection and Signal Issues http://www.youtube.com/watch?v=uwWtIG5jUxE
Fix Slow WiFi Issue https://discussions.apple.com/thread/2398063?start=60&tstart=0
How To Fix iPhone, iPad, iPod Touch Wi-Fi Connectivity Issue http://tinyurl.com/7nvxbmz
Unable to Connect After iOS Update - saw this solution on another post.
https://discussions.apple.com/thread/4010130
Note - When troubleshooting wifi connection problems, don't hold your iPad by hand. There have been a few reports that holding the iPad by hand, seems to attenuate the wifi signal.
Wi-Fi or Bluetooth settings grayed out or dim
http://support.apple.com/kb/TS1559
~~~~~~~~~~~~~~~
If any of the above solutions work, please post back what solved your problem. It will help others with the same problem.
 Cheers, Tom

My iMac keeps on losing internet connection. Webpages get stuck after a minute or so. If I check the internet connection via diagnostics it seems to work just fine. Others, like the iPad use the same wifi connection and never fail. What can I do?

Running 10.6.8 on Intel dual core iMac, it keeps on losing internet connection. Webpages get stuck after a minute or so. If I check the internet connection via diagnostics it seems to work just fine. Others, like the iPad use the same wifi connection and never fail. What can I do?

Greetings,
I've never seen this issue, and I handle many iPads, of all versions. WiFi issues are generally local to the WiFi router - they are not all of the same quality, range, immunity to interference, etc. You have distance, building construction, and the biggie - interference.
At home, I use Apple routers, and have no issues with any of my WiFi enabled devices, computers, mobile devices, etc - even the lowly PeeCees. I have locations where I have Juniper Networks, as well as Aruba, and a few Netgears - all of them work as they should.
The cheaper routers, Linksys, D-Link, Seimens home units, and many other no name devices have caused issues of various kinds, and even connectivity.
I have no idea what Starbucks uses, but I always have a good connection, and I go there nearly every morning and get some work done, as well as play.
You could try changing channels, 2.4 to 5 Gigs, changing locations of the router. I have had to do all of these at one time or another over the many years that I have been a Network Engineer.
Good Luck - Cheers,
M.

My Ipad 'Systems' shows my WiFi connection is working and all my Apps connect and interact ok but Safari says 'No Response from the Server' the same on my Mail. The WiFi works perfectly on everything else in the house. Any ideas ?

My Ipad 'Systems' shows my WiFi connection is working and all my Apps connect and interact ok but Safari says 'No Response from the Server' the same on my Mail. The WiFi works perfectly on everything else in the house. Any ideas ?

it was not just email it was all internet via safari but all apps including the bank account app. the laptop and pc access the same email servers which work perfectly so it is difficult to blame the servers.
by the way it has now started to work properly at lasst after a whole day of trying to resolve this year.

TS1398 iPad 2 keeps losing wifi connection about every 3 minutes no matter where I am in my house. Very annoying. help?

iPad 2 keeps losing wifi connection about every 3 mins no matter where I am in the house - Help?

Look at iOS Troubleshooting Wi-Fi networks and connections http://support.apple.com/kb/TS1398
iPad: Issues connecting to Wi-Fi networks http://support.apple.com/kb/ts3304
iOS: Recommended settings for Wi-Fi routers and access points http://support.apple.com/kb/HT4199
Additional things to try.
Try this first. Turn Off your iPad. Then turn Off (disconnect power cord) the wireless router & then back On. Now boot your iPad. Hopefully it will see the WiFi.
Change the channel on your wireless router. Instructions at http://macintoshhowto.com/advanced/how-to-get-a-good-range-on-your-wireless-netw ork.html
Another thing to try - Go into your router security settings and change from WEP to WPA with AES.
How to Quickly Fix iPad 3 Wi-Fi Reception Problems
http://osxdaily.com/2012/03/21/fix-new-ipad-3-wi-fi-reception-problems/
If none of the above suggestions work, look at this link.
iPad Wi-Fi Problems: Comprehensive List of Fixes
http://appletoolbox.com/2010/04/ipad-wi-fi-problems-comprehensive-list-of-fixes/
Fix iPad Wifi Connection and Signal Issues http://www.youtube.com/watch?v=uwWtIG5jUxE
 Cheers, Tom

My iPad keeps dropping my WiFi Connection despite indicating otherwise

I have seen threads that indicate problems with WiFi speed after iOS 4.2.1 was released, but my problem isn't with speed exactly.
In brief, my iPad will essentially go to sleep on its WiFi connection regularly, despite showing a 100% WiFi signal at all times. I can correct the problem temporarily by turning the WiFi off and then on again, but this is quickly becoming a nuisance.
Speedwise, the speed is terrific when it's locked in and working. So I don't have the slowness issues some others are reporting. It's just more of an all-or-nothing deal.
Per some threads I read elsewhere, I tried resetting my network on the iPad, but the problem persists.
Are there any known solutions out there? Do we have any indication that Apple is aware of the problem?

I completely understand, my launch day iPad has this very problem from the start and was fixed with iOS 3.2.1, but with the iOS 4.2.1 update the problem is back. The best work-around for me beyond turning wifi off and then on again is to have the access point set to only one 802.11 protocol, B, G, or N.
My iPad will maintain a solid connection for hours while connected to a WAP that is setup to run just one 802.11 protocol not mixed. I've tested this on three different routers, two (b/g) and one (b/g/n), and the results are reproducible. I've contacted Apple Care about this and they are being made aware of a growing problem among iPad users, so a solution should be three months down the road like the last time they fixed the problem. If that isn't something you can work with, it might be best to return the iPad, because it's clearly a minor hardware fault with a minority of iPads as many of the users in these forums will tell you that there isn't any problem with their iPad. Me, I'm willing to give Apple a chance to fix the bug.
You should still call Apple Care about your problem or at least submit a bug report to apple.com/feedback, they do not read these forums, the forums are user driven.

Why does my iPad often lose the Wifi connection?

Hello all -
Often when I am using my iPad at home (which is where i use it 95% of time), the WiFi connection will simply disappear - sometimes every 2 minutes of so. Sometimes, when I pull up the "Utility" screen from the bottom (sorry, don't know the correct name), and then unclick the WiFi connection, wait a few seconds, and turn it back on - the connection comes back. But that probably only works 10-30% of the time.
The way I can always make it come back is to go to the Settings app, click on Wifi, where it shows no connection. Then if I turn on WiFi, after a couple of seconds I see my network appear under the "Choose a Network..." section, and then a few seconds later, see it appear in the top section.
Does anybody know why this might be happening and what I can do to fix it?
Thanks.

Some things to try first:
1. Turn Off your iPad. Then turn Off (disconnect power cord for 30 seconds or longer) the wireless router & then back On. Now boot your iPad. Hopefully it will see the WiFi.
2. Go to Settings>Wi-Fi and turn Off. Then while at Settings>Wi-Fi, turn back On and chose a Network.
3. Change the channel on your wireless router (Auto or Channel 6 is best). Instructions at
http://macintoshhowto.com/advanced/how-to-get-a-good-range-on-your-wireless-netw ork.html
4. Go into your router security settings and change from WEP to WPA with AES.
5. Renew IP Address: (especially if you are drooping internet connection)
    •    Launch Settings app
    •    Tap on Wi-Fi
    •    Tap on the blue arrow of the Wi-Fi network that you connect to from the list
    •    In the window that opens, tap on the Renew Lease button
6. Potential Quick Fixes When Your iPad Won’t Connect to Your Wifi Network
http://ipadinsight.com/ipad-tips-tricks/potential-quick-fixes-when-your-ipad-won t-connect-to-your-wifi-network/
~~~~~~~~~~~~~~~~~~~~~~~~~
Fix WiFi Issue for iOS 7
http://ipadnerds.com/fix-wifi-issue-ios-7/
iOS 6 Wifi Problems/Fixes
Wi-Fi Fix for iOS 6
https://discussions.apple.com/thread/4823738?tstart=240
How To: Workaround iPad Wi-Fi Issues
http://www.theipadfan.com/workaround-ipad-wifi-issues/
Another Fix For iOS 6 WiFi Problems
http://tabletcrunch.com/2012/10/27/fix-ios-6-wifi-problems-ssid/
Wifi Doesn't Connect After Waking From Sleep - Sometimes increasing screen brightness prevents the failure to reconnect after waking from sleep. According to Apple, “If brightness is at lowest level, increase it by moving the slider to the right and set auto brightness to off.”
Fix For iOS 6 WiFi Problems?
http://tabletcrunch.com/2012/09/27/fix-ios-6-wifi-problems/
Did iOS 6 Screw Your Wi-Fi? Here’s How to Fix It
http://gizmodo.com/5944761/does-ios-6-have-a-wi+fi-bug
How To Fix Wi-Fi Connectivity Issue After Upgrading To iOS 6
http://www.iphonehacks.com/2012/09/fix-wi-fi-connectivity-issue-after-upgrading- to-ios-6.html
iOS 6 iPad 3 wi-fi "connection fix" for netgear router
http://www.youtube.com/watch?v=XsWS4ha-dn0
Apple's iOS 6 Wi-Fi problems
http://www.zdnet.com/apples-ios-6-wi-fi-problems-linger-on-7000004799/
~~~~~~~~~~~~~~~~~~~~~~~
iPad: Issues connecting to Wi-Fi networks
http://support.apple.com/kb/ts3304
How to Boost Your Wi-Fi Signal
http://ipad.about.com/od/iPad_Troubleshooting/a/How-To-Boost-Your-Wi-Fi-Signal.hmL
Troubleshooting a Weak Wi-Fi Signal
http://ipad.about.com/od/iPad_Troubleshooting/a/Troubleshooting-A-Weak-Wi-Fi-Signal.htm
How to Fix a Poor Wi-Fi Signal on Your iPad
http://ipad.about.com/od/iPad_Troubleshooting/a/How-To-Fix-A-Poor-Wi-Fi-Signal-O n-Your-iPad.htm
iOS Troubleshooting Wi-Fi networks and connections http://support.apple.com/kb/TS1398
iPad: Issues connecting to Wi-Fi networks http://support.apple.com/kb/ts3304
WiFi Connecting/Troubleshooting http://www.apple.com/support/ipad/wifi/
How to Fix: My iPad Won't Connect to WiFi
http://ipad.about.com/od/iPad_Troubleshooting/ss/How-To-Fix-My-Ipad-Wont-Connect -To-Wi-Fi.htm
iOS: Connecting to the Internet http://support.apple.com/kb/HT1695
iOS: Recommended settings for Wi-Fi routers and access points http://support.apple.com/kb/HT4199
How to Quickly Fix iPad 3 Wi-Fi Reception Problems
http://osxdaily.com/2012/03/21/fix-new-ipad-3-wi-fi-reception-problems/
iPad Wi-Fi Problems: Comprehensive List of Fixes
http://appletoolbox.com/2010/04/ipad-wi-fi-problems-comprehensive-list-of-fixes/
Connect iPad to Wi-Fi (with troubleshooting info)
http://thehowto.wikidot.com/wifi-connect-ipad
10 Ways to Boost Your Wireless Signal
http://www.pcmag.com/article2/0,2817,2372811,00.asp
Fix iPad Wifi Connection and Signal Issues http://www.youtube.com/watch?v=uwWtIG5jUxE
Fix Slow WiFi Issue https://discussions.apple.com/thread/2398063?start=60&tstart=0
How to Change Your iPhone’s (iPad’s) DNS Servers
http://www.macinstruct.com/node/558
How To Fix iPhone, iPad, iPod Touch Wi-Fi Connectivity Issue http://tinyurl.com/7nvxbmz
Unable to Connect After iOS Update - saw this solution on another post.
https://discussions.apple.com/thread/4010130
Note - When troubleshooting wifi connection problems, don't hold your iPad by hand. There have been a few reports that holding the iPad by hand, seems to attenuate the wifi signal.
Some Wi-Fi losses may stem from a problematic interaction between Wi-Fi and cellular data connections. Numerous users have found that turning off Cellular Data in Settings gets their Wi-Fi working again.
You may have many apps open which can possibly cause the slowdown and possibly the loss of wifi. In iOS 4-6 double tap your Home button & at the bottom of the screen you will see the icons of all open apps. Close those you are not using by pressing on an icon until all icons wiggle - then tap the minus sign. For iOS 7 users, there’s an easy way to see which apps are open in order to close them. By double-tapping the home button on your iPhone or iPad, the new multitasking feature in iOS 7 shows full page previews of all your open apps. Simply scroll horizontally to see all your apps, and close the apps with a simple flick towards the top of the screen.
Wi-Fi or Bluetooth settings grayed out or dim
http://support.apple.com/kb/TS1559
~~~~~~~~~~~~~~~
If any of the above solutions work, please post back what solved your problem. It will help others with the same problem.
 Cheers, Tom

IPad Mini 3 drops WiFi connection to hotspot under load

I have a weird problem that appears to be device-specific. Ingredients:
iPad Mini 3 (WiFi)
iOS 8.2
FreedomPop Sierra Wireless Hotspot
I have no issues with network connectivity with my Mini 3 on high speed networks at home or work. In particular, I can run the Ookla Speedtest app just fine. I can download/update apps fine. However, if I connect to the Hotspot (which has much lower bandwidth), I have problems under heavy network load, such as those. The Mini 3 will drop the connection, thus messing up what I was trying to do, then connect again. If I do the same experiment with my wife's Mini 3 (mine is 64GB, hers is 32GB), all conditions the same (OS, Hotspot, apps), her Mini 3 does not drop the connection, and everything works fine.
I have done the obvious things, but the connection still gets dropped intermittantly:
force-exit all apps
restart the Mini 3
update to iOS 8.2 (the problem was present in earlier iOS 8 versions, too)
I have concluded that my Mini 3 must have a hardware problem with the WiFi. Are there other possiblities? What are the odds Apple will fix the problem (which probably requires a new Mini 3) if I'm right?

Thanks for responding.
I don't suspect the Sierra. It worked fine with my wife's Mini 3, my laptop, my iPod, my older iPad. During my testing I used only one device at a time. The problem with my Mini 3 persists after resetting the Mini 3. I have not tried backup/restore.
My Mini 3 works fine through my home router, at least to the extent that the WiFi connection does not drop.
I agree that there's probably no widespread problem with Mini 3 WiFi. However, given the set of things that work and don't work, particularly that my wife's Mini 3 has no problem but mine does, the only remaining variable (IMO) is the WiFi support in my Mini 3. And given that my wife's identical (other than memory size) Mini 3 has no problem, it could only be the WiFi hardware in my specific Mini 3.
It remains a mystery to me what it is about the interaction between my Mini 3 and the hotspot that causes the WiFi connection to drop.

MIFI2200 CAN'T CONNECT TO IPAD OR IPHONE AS WIFI CONNECTIONS

I AM HAVING WITH MIFI2200 DEVICE . I CAN''T NEVER GET IT TO CONNECT TO MY IPAD OR IPHONE AS A WIFI CONNECTIONS. DID SOFTWARE AND DEVICE UPDATED COMPLETED , BUT MY IPAD OR IPHONE CAN NEVER SEE THIS DEVICE AS A WIFI . I EVEN MANUALLY ENTER SSID INTO MY IPAD OR IPHONE , BUT STILL DIDN'T WORK . ANYONE HAVE SEEN THIS ISSUES AND GOT THE SOLUTIONS , PLEASE HELPS AND WALK ME THROUGH THIS SET UP SO THAT IT CAN BE USE ON THE ROAD . REALLY APPRECIATES ANY INPUT FOR THIS PROBLEM

I have no problem connecting an iPad and an iPod Touch to the MiFi 2200.
Do you have it connected to a PC via USB? That turns off the WiFi radio.
Clarence

IPad 2 constantly drops WiFi connection when tethered to iPhone via Hotspot

I have a wifi only iPad 2 that I tether to my iPhone 4 via the personal hotspot. The iPhone and the iPad are constantly being separated throughout the day and my problem is that when the iPad gets back in range of the iPhone hotspot it won't reconnect at all! In fact the iPad no longer sees the iPhone as a wifi option in the network list even though the iPhone hotspot is running just fine (other devices cam still see and connect to the iPhone hotspot)
I have to turn off the iPhone hotspot, wait 2 seconds and then turn it back on. Then the iPad sees the hotspot again and connects.
Also if I turn the auto lock off on the iPad so that it never locks, then it will reconnect to the iPhone hotspot just fine. But the problem with turning auto lock off is that the screen has to stay on all day!
There is obviously something wrong that is happening when the iPad locks. It drops the wifi connection and then does not reconnect when I turn the screen back on.
Is there anything I can do to make sure the iPad reconnects to the hotspot whenever I get back in range without having to keep it on all the time?
Message was edited by: dawgma

I found this post on another thread and tried it for tethering my iPad 2 to my iPhone 4 and so far it's worked great. Good luck!!
jlchatelain
Re: iphone 4s - HOTSPOT - WILL NOT STAY CONNECTED
Mar 13, 2012 1:20 PM (in response to coalxman)
I have been having that problem for 6 months and my IT guy finally found a solution by mining the web. I don't know the source of the answer to give credit but it works !
Text of blog posting below:
t does, thanks! I was getting really frustrated with connecting my iPad to my 4S via Personal Hotspot. After a fresh boot of the phone it would work as expected but if the connection was terminated (say by switching hotspot off and on) or after the two hadn't been connected for a while it got into this state where I could see and connect to the hotspot but it would drop a few seconds later then try again over and over.
After a lot of experimenting I finally figured out that there seems to be a pretty serious bug in the hotspot's DHCP server. AP discovery and WPA authentication work great but in this weird state the iPhone will not give the connecting device an IP. The only solution to fix the DHCP server is to reboot the phone.
That being the case, grasshoppertrekker's advice is bang on - you need to give the connecting device a static IP address. This gets around the DHCP issue.
For the less technically inclined, here's how to do that with an iPad:
- Reboot your phone and connect to the hotspot as usual and ensure the connection works
- On the iPad go to Settings - WiFi and tap the arrow to the right of your iPhone's name
- Write down all the values you see under the DHCP tab
- Tap the Static tab (or Manual)
- Enter in the same values you just write down
- Hit "WiFi Networks" at the top to go back
The iPad will now reconnect using the same settings as DHCP would have given it, but without relying on the broken DHCP server.
Optional extra: Instead of using whatever DNS values the DHCP server (and by extension your mobile data ISP) gives you, use OpenDNS IP's instead. This will speed up YouTube due to their partnership with Google and prevent your ISP from traking your web usage via DNS interception. To do this enter the following into the DNS field under the Static tab: 208.67.222.222,208.67.220.220 (note the comma)
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IPad (especially iPad 2) issue with WiFi connection 1-minute delay after sleep or new connection

This is a tip and not a question.
I had a customer who was complaining that their iPad 2 would take about 1 minute before WiFi would work after coming out of sleep. They are on 5580 controller with 802.11n APs. If they took it home, it didn't have this issue. They also tried with iPad 1 and it didn't seem to have this problem. It was happening every time on iPad 2, wait until it goes to seep, then wait about a minute, then press home button, unlock and try to launch safari, it won't connect and wifi icon in the top bar is missing, 1 minute later wifi icon reappears and safari works. I was also able to reproduce it on iPad 1 and iPad 2 when creating new wifi connection in the settings, wifi icon wouldn't appear for about a minute.
After some 5580 controller upgrades, trying different wireless settings, researching on google, and capturing with AirPcap, I finally figure it out.
Once it comes back out of sleep or once the connection is created, iPad actually associates to the APs just fine and gets an IP address. You are able to ping it during that first minute of "outage" (when wifi icon is missing), but you can't use any network apps like Safari from the iPad during that minute. It turns out that right after getting IP address, iPad sends out DNS query for www.apple.com and then tries some HTTP query on 184.24.93.15 (www.apple.com). I didn't bother investigating what it's trying to do with that HTTP query, but it looks like if that TCP session is not established, you can't use wireless for about a minute. And indeed, my customer's firewall blocks HTTP traffic that's not coming from proxies. Once they opened HTTP traffic to 184.24.93.15 on the firewall, it fixed the issue, the wifi icon now appears as soon as iPad 2 comes out of sleep and Safari works. (They use it for intranet only in case you are wondering)
Hope this helps.

I saw on another discussion thread to shut down the hot spot (in my case my HTC Thunderbolt) for 10 seconds and then restart it. It worked and my WiFi downloads seem to be as fast as before. Thanks Philly_Phan.

My ipad keeps dropping my wifi connection

My ipad mini keeps dropping my wifi connection at home and requires me to enter my password each and every time. This also happens with a new iphone 4S we have as well. We have a total of 4 other iOS devices and this does not happen any of them ever. I have verified across all my devices that they all have the same settings. I have rebooted everything, updated everything (including the routers firmware and even used the restore network settings on the device. All do not prevent the error from happening repeatidly.

You might consider changing the settings on the router or replacing all together
Recommended wifi settings
http://support.apple.com/kb/HT4199

Ipad 3 keeps loosing wifi connection

My new ipad keeps loosing wifi connection when downloading documents, apps, etc.
When i turn of the wifi and download via the 3G, it works fine. And after switching on wifi again, everything seems good.
Are there anybody that has the same problem with the new ipad?

Look at iOS Troubleshooting Wi-Fi networks and connections http://support.apple.com/kb/TS1398
iPad: Issues connecting to Wi-Fi networks http://support.apple.com/kb/ts3304
iOS: Recommended settings for Wi-Fi routers and access points http://support.apple.com/kb/HT4199
Additional things to try.
Try this first. Turn Off your iPad. Then turn Off (disconnect power cord) the wireless router & then back On. Now boot your iPad. Hopefully it will see the WiFi.
Change the channel on your wireless router. Instructions at http://macintoshhowto.com/advanced/how-to-get-a-good-range-on-your-wireless-netw ork.html
Another thing to try - Go into your router security settings and change from WEP to WPA with AES.
How to Quickly Fix iPad 3 Wi-Fi Reception Problems
http://osxdaily.com/2012/03/21/fix-new-ipad-3-wi-fi-reception-problems/
If none of the above suggestions work, look at this link.
iPad Wi-Fi Problems: Comprehensive List of Fixes
http://appletoolbox.com/2010/04/ipad-wi-fi-problems-comprehensive-list-of-fixes/
Fix iPad Wifi Connection and Signal Issues http://www.youtube.com/watch?v=uwWtIG5jUxE
 Cheers, Tom

IPad mini keeps losing wifi connection

Since yesterday my iPad mini keeps losing the wifi connection, especially when playing video on YouTube. Stopping the You Tube app and starting Safari seems to restart it temporarily but only for a short while. I've tried reinstalling the YouTube app, but it then happened playing You Tube via Safari. I've reset my router and deleted all cookies, browsing history and rebooted the iPad. Even done a complete new install of the iPad after the iOS update failed (grrrr) and deleted everything but this issue was happening before the update and after the rebuild.
Any Ideas or help gratefully accepted.
Thanks
Bob

Since yesterday my iPad mini keeps losing the wifi connection, especially when playing video on YouTube. Stopping the You Tube app and starting Safari seems to restart it temporarily but only for a short while. I've tried reinstalling the YouTube app, but it then happened playing You Tube via Safari. I've reset my router and deleted all cookies, browsing history and rebooted the iPad. Even done a complete new install of the iPad after the iOS update failed (grrrr) and deleted everything but this issue was happening before the update and after the rebuild.
Any Ideas or help gratefully accepted.
Thanks
Bob

My iPad fell & no more wifi connections :(

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