Lion Upgrade - issue with WiFi Network

I recently upgraded to Lion and now everytime I restart my wireless network (Time Capsule) is not recongized and I must manually select it. I have the same issue with my magic mouse, although it does reconginze my bluetooth keyboard. What can I do to fix the issue?

Yes, same WiFi problem with safe mode. Everything was perfect until the upgrade to Lollipop. Now WiFi speed is 1/10 of before, and phone is slow in general. realy sad, sometimes even whatsapp messages takes minutes to be delivered.
Does anyone know how to select only 5ghz channel for the WiFi on the phone?

Similar Messages

Intermittent issue with Wifi network card.

Nothing can be more annoying than an intermittent issue. Unfortunately it does happen to my MBP. This is the new MBP purchase Jan. of this year. About 2 months ago, the MBP developes a problem. The sympotom is, after powering it on, the Wifi network card sometimes suddently stop working, even cannot be recognized by the system accidently. After the problem arise, I cannot turn on wifi again. The only way to get it back is to restart it. It used to work well with my home network and company network.
I have tried every possible mean to figure out what's wrong with it. Tried SMC reset, PRAM rest. Reinstall a new OS on a new partition (per instruction from Apple support). I hate to say this is a HW issue but support people from Apple did suggest sending it to a service center for a check up.
Before I actually dropping it at service center, I wanna know if someone has experienced that before?
Repeat, it used work well with my router.

senthil,
It helps to describe your setup parameters.
Which antenna(s) do you have? Either 2 internal antennas or 1 external antenna.
How far away and what obstructions (walls - wood/concrete) is the wi-fi router?
I am a volunteer. I am not an HP employee.
To say THANK YOU, press the "thumbs up symbol" to render a KUDO. Please click Accept as Solution, if your problem is solved. You can render both Solution and KUDO.
The Law of Effect states that positive reinforcement increases the probability of a behavior being repeated. (B.F.Skinner). You toss me KUDO and/or Solution, and I perform better.
(2) HP DV7t i7 3160QM 2.3Ghz 8GB
HP m9200t E8400,Win7 Pro 32 bit. 4GB RAM, ASUS 550Ti 2GB, Rosewill 630W. 1T HD SATA 3Gb/s
Custom Asus P8P67, I7-2600k, 16GB RAM, WIN7 Pro 64bit, EVGA GTX660 2GB, 750W OCZ, 1T HD SATA 6Gb/s
Custom Asus P8Z77, I7-3770k, 16GB RAM, WIN7 Pro 64bit, EVGA GTX670 2GB, 750W OCZ, 1T HD SATA 6Gb/s
Both Customs use Rosewill Blackhawk case.
Printer -- HP OfficeJet Pro 8600 Plus

Issues with WiFi connection to Deskjet 3545

Hi,
I have number of issues with WiFi connection to my new Deskjet 3545 AIO:
1. Printer is not able to get IP address automatically from home WiFi router (all other devices get IP with no problem). Using WPS allow printer to register in network but after switching off, WPS setting is not stored, so I have to do it again. This I was able to solve with manual entering of IP address, netwrok mask, DNS and gateway address.
2. Official HP software installed from HP site was able to find printer for 3dattempt, and it started to work. But after a while, "HP utility" program loose connection to printer, so I can not see any parameters, and I get "can not find printerä message when start to to print. After a some time (minutes to hours), whithout any action from my side, connection to printer seems to be restored, so I can see printer parameters in "HP utility" and printing is started.
3. Official HP software installed from HP site on PC (Windows 7) is not able to find printer on WiFi at all, works only with USB.
All this is disaponinting and unexpected, as my office HP LaserJet Pro 400 Color works perfect.

Hi @DmiBro,
Welcome to the HP Forums!
I see that you are having some wireless issues with your HP Deskjet 3545 to your Mac OS X 10.10 and Windows 7 computers. I am sorry to hear this, but I am happy to help!
I would recommend the following guides:
HP Single-Function and Multifunction Printers - 'Printer is offline' Message Displays on the Compute.... (The solutions for OS X v10.8 Mountain Lion and OS X v10.9 Mavericks will work on Mac OS X 10.19 Yosemite.)
HP Single-Function and Multifunction Printers - 'Printer is offline' Message Displays on the Compute....
HP ENVY 4500 and HP Deskjet Ink Advantage 3540 e-All-in-One Printer Series - Printer Does Not Mainta....
Tips for troubleshooting wireless connection issues
The following tips can help you troubleshoot and avoid wireless connectivity issues. You can try these tips separately or in combination to get a successful wireless signal.
Move the printer and the computer closer to the router, but no closer than 6 ft (1.8 m). Wireless signals can be weaker at greater distances between the printer and the router.
If you are experiencing an intermittent wireless connection, try restarting your router. Consult your router manufacturer, Internet service provider, or network administrator for instructions on how to restart the router.
Remove any metal objects between the printer, the computer, and the router. Objects such as refrigerators, microwaves, or metal bookcases can interfere with wireless transmission.
Move any device that emits radio signals, such as microwaves and cordless telephones, farther away from the printer. Such devices can interfere with wireless signals.
I would also recommend this website, HP Wireless Printing Center - Troubleshooting Issues.
Hope this information is helpful, and have a nice day!
RnRMusicMan
I work on behalf of HP
Please click “Accept as Solution ” if you feel my post solved your issue, it will help others find the solution.
Click the “Kudos Thumbs Up" to say “Thanks” for helping!

Recently started having issues with WiFi

Hello everyone,
Recently I started having serious issues with Wifi. I fixed it kind of by turning off iTunes iCloud backup, but generally the signal is low. As an iOS 5 tester in the Apple Developer program, I tested it for months on my iPod without any problems. When I got my 4S, I never had a problem with it until just a few days ago.
A friend of mine said she was also having the same problem. She claimed she turned off iCloud backup as I did, turn off both WiFi on her Mac and on her phone and reboot both. I did this. Then I turned them back on. She also suggested I forget the network and re-enter the security key. That done, it connected and had a stronger signal. After a while though, it continues to drop peareoticly. I notice that it stay's connected a lot longer now. Another friend also suggested I turn off bluetooth, although that didn't really help much. What seems to fix it tempararly is iCloud backups have to go off.
The Mac is still working great. No stupid connection errors and or dropping. I'd be curious to see if I would be having this problem with my iPod Touch. Probably not.
Anyone find any deffinate solutions to this?
Thanks.

Thanks for the reply. What do you mean "2.4 GHz WiFi reliability is a hit or miss"?
Warranty is over so no problem there.
I see a lot of 7260 cards, is there one in specific I need? Example:
http://goo.gl/PKcRIU
http://goo.gl/ooaUEw
N would actually be fine, don't really need AC, recently upgraded my router and don't feel compelled to change...the price difference is small, and I'm all for future-proofing, but, I just need the thing to WORK.
Thanks again.
-kj-
T440p | Core i7 4700MQ @ 2.4 ghz | 8 GB | Samsung 840 EVO 240gb SSD | 14" | Intel HD Graphics | Windows 7 Pro 64-bit

Very poor connection with wifi network with mini iPad.

I recently bought à new mini iPad. The connection with wifi network is lost very often and therefor not Stable. I tried the tips such as forgetting the network and connecting again, but that doesn't help. What can I do?

Do #5.
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
~~~~~~~~~~~~~~~~~~~~~~~~~
iOS 6 Wifi Problems/Fixes
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/
~~~~~~~~~~~~~~~~~~~~~~~
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
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/
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.
~~~~~~~~~~~~~~~
If any of the above solutions work, please post back what solved your problem. It will help others with the same problem.
 Cheers, Tom

I just restored my 13" MBP i5 at the apple store to the newest version of Lion after issues with a previous Time Machine backup from Snow Leopard- this time I created a new account and just ported files and folders, and now MS Office doesn't work. Help?

I just restored my 13" MBP i5 at the apple store to the newest version of Lion after issues with a previous Time Machine backup from Snow Leopard- this time I created a new account and just ported files and folders, and now MS Office doesn't work.
^^ that's the main problem. Here's the full history.
I bought a new 13" i5 MBP, early 2011 edition. I had an old white Macbook 2.14 ghz core2duo on Snow Leopard. I attempted to port over my time machine backup, but encountered problems in that my User was inaccessible from the new computer after the import finished, and I had to go in and change the root password, etc, and for some reason or another, I couldn't install any programs at all from that administrator's account. By "couldn't" I mean I could install them, but upon installation they would never boot. So, I took it to the apple store and did a clean install from the most up to date Lion OSX. Then, I created a brand new admin account, instead of trying to import the old one, and things seemed great. Then, I just imported my old files from the TM backup, but not any system settings, permissions, or user data. Just my Docs, pics, vids, apps, and itunes stuff.
Here's where things get weird again. I imported this stuff under the name "old", but all of these folders have a red negative sign on them, marking them as restricted. So, from my main admin account, I cannot even peruse these folders. Since I didn't import user data, I can't sign in to the "old" account to change permissions. I already tried to change the permissions from system preferences, but that didn't change anything. And now, for whatever reason, of all the apps that were imported then, MS Office is the only set of apps that does not work. When I click on it, it just says there was a problem and asks if I'd like to send a report to apple. I tried reinstalling it to no avail. I'm an English student, so i really need access to Word. Can anyone help? The Apple store is a major detour for me and would like to fix this issue myself.

Most likely you have Office 2004 which are PPC-only applications and will not work in Lion. Upgrade to Office 2011. Other alternatives are:
Apple's iWork suite (Pages, Numbers, and Keynote.)
Open Office (Office 2007-like suite compatible with OS X.)
NeoOffice (similar to Open Office.)
LibreOffice (a new direction for the Open Office suite.)

A SERIOUS issue with WIFI in Pavilion 15-p002nk

Hi , Thank you for visiting the HP Support Forums and Welcome.Thank you for the very detailed information. I have looked into your issue about your HP Pavilion 15-p002nk Notebook and issues with the Wireless disconnecting. Here is a link to the troubleshooting the Wireless connection, if you need it.
If this continues I would change the Channel on the router. Routers are capable of communicating to your Notebook on several different channels. If your neighbours Wi-Fi is on the same channel, your network speeds might have issues. Some say this helps fix this problem Microsoft Fix it. Here is a link to help as well. Hope this is helpful. Thanks.

Hi all.. Since the time i bought my new PC laptop "HP Pavilion 15 Notebook PC, Number: 2S23EA#BH4" , I've an issue with Wifi Connection; it's discconecting by itself sometime without any reason, then, it reconnect again like nothing happend because the "Connect automatically " option on Windows 8.1 is checked. Although, sometimes when it disconnect I have to reconnect by myself, after many troubles like I have to restart the computer, or activating the Airlplane mode, disabling the Wifi cards and enable it again.. The strange behaviours of the Wifi connection is that is sometimes show me that the Wifi's stengh is full, all 5 bars, while it should be just like 2 bars or 3 at maximum, because where I'm connecting is a bit far from the router. but this just for few seconds before disconnecting, in addition, sometimes the Wifi card disable itself and re-enable at the moment and reconnect again. Moreover, once upon time when it disconnect, it dosen't detect my router or any other Wifi network around me. while there's more than 6 Wifi's available where i am living. Generally, this issue is not excessive, but those last days, it is being immoderate. i tried to look for some solution, but none of those proposed solution worked for me. I wish that i can find some resolution of this annoyning problem. advance Thank for everyone.

Macbook Pro Retina issues with Wifi Speeds

I have one of the new Macbook Pro 15" Retina models and have been having issues with Wifi Speeds. Apple has replaced the computer but have the same issue with the new one. When doing a side-by-side comparison with older Macbook Pros and PC's I'm seeing around a 10 megabytes per second difference. Is anyone else experiencing the same issue?

So an update on what I've found. After testing two different MBP Retna's basically hourly for 4 weeks I found a few interesting things, but ultimately resolved my issue. The first thing I found consistently between both MBP Retina's both on my network and in the Apple store on their network was the first thunderbolt port closes to the screen is slower than if you try to use the LAN cable adapter on the second port. I saw about 10 GBps between the two ports. The second thing i found was these new MBP Retina's aren't really compatible with older Apple networking technology. I have a single band Airport Express and a single band Time Capsule. Using either router they only worked on the 2.4 5Ghz setting and even with that the speeds constantly fluxuated. Most times I got between 2 - 10 GBps. After hours of troubleshooting it was recommended to update either my Time Capsule or Airport Express to one of the newer dual bands, which I did. After purchasing and setting up a new dual band Airport Express and spliting the networks to have one band constantly on the 2.4 5Ghz setting and the other set to automatic both with differing network id's this solved my problem. I now consistently see download speeds of around 35GBps and upload around 6GBps. So connecting the dots and drawing logical conclusion, these new MBP Retinas are really only compatible with newer dual band Time Capsules or Airports. Even though my single band was also set to 2.4 5Ghz, the same as the dedicated network used now on my dual band Airport Express, this MBP Retina had issues maintaining WiFi speeds.

TS1398 After the recent update of iOS 7.0.6 my phone is having issues with wifi connectivity. It gets disconnected most of the time. It is very toublesome while watching videos, sending pics, chatting and so on. Please advise. Thank you.

After the recent update of iOS 7.0.6 my phone is having issues with wifi connectivity. It gets disconnected most of the time. I went through support page and done with "Reset Network settings" too but it doesn't help. It is very toublesome while watching videos, sending pics, chatting and so on. Please advise.
It works fine in LTE network. The problem is with WIFI only.
Thank you.

Hey Siddh.s!
Here is an article that will help you troubleshoot this issue with your Wi-Fi connections:
iOS: Troubleshooting Wi-Fi networks and connections
http://support.apple.com/kb/ts1398
Thanks for using the Apple Support Communities. Have a good one!
-Braden

Anyone else had issues with phone network being unavailable on iPhone 4 since updating to iOS 5.0.1? My iPhone 4 is continually searching for a network and does not find my provider. I swapped SIMs with another iPhone 4 on ios 4 to confirm device problem.

Has anyone else had issues with phone network being unavailable on iPhone 4 since updating to iOS 5.0.1? My iPhone 4 is continually searching for a network and does not find AT&T, my provider. I swapped SIM cards with another iPhone 4 running ios 4 and established this is a device problem, not a SIM card problem.

Does the device get any signal?
Sounds like the device may have had a hardware failure. If it is out of warranty, the only option is the Out of Warranty replacement.
AppleCare is only an option if it is still under the original warranty.

Image Ultra Builder 3.x issue with T61 Network Driver load

Hello,
I am having issues with a Network deployment of an image on a T61 (7659-12U) During the intial boot up phase with the Network Boot disk that was created from IUB, I receive and error 1231 - The Network Location cannot be reached.. I am currently using IUB for deployment of A31, T40/42 as well as the T60 model line. None of these loads are having the problem.
Any help on this would be very much appreciated.
Thank-you in advance.
Ed

Hi,
IUB 4.01 is using WINPE 2.0<Vista based> and IUB 3.1 was using WINPE 1.0/1.1<XP Based>.
This has nothing to do with the actual image deployment. It's just that the WINPE looks more like
Vista. And this is why the method changed after you updated from 3.0/3.1 to 4.00/4.01.
To answer your questions from before:
1) Does updating IUB to version 4.01 still allow me to deploy Windows XP ?
Yes, it's still supported and possible.
2) Where on the boot CD should the new driver files be located. I took this to be PREBOOT\DRIVERS ?
As the new IUB is using WINPE 2.0, the best location for the NIC drivers is the file :
tvtos\winpe.wim
However, this is my advice.!
For my Image deployment I'm no longer using the CD for network deployment. I'm using USB key which gives me more options for the image deployment and the automatization of the deployment process.
However, if you want to use CD for network deployment, then you can do it in following way.
!!!NOTE: this is not the offical way, nor the supported way, but trust me, that it's working like charm !!!
- go to your repository location %repositorylocation%\modules
- find the file called "Z633003A.TVT" and open it using your fav zip application
- after you open this file, go to following location: tvtos\
- extract the "winpe.wim" and using WAIK unmount this file and add the NIC drivers into this .wim file
- after all the drivers are in the winpe.wim file, just copy it back to the "Z633003A.TVT" file and create a new Deployment CD
How to add NIC driver using WAIK:
This is prety easy step, but for more info, check following link:
http://www.svrops.com/svrops/articles/winvistape2.htm
As I described earlier, I'm using USB key for Network image deployment, so I have not done it this way, but I have done it a bit simplier.
Here are my steps:
- created a Distribution USB key <suing the same method, that you are using when you create a Network deployment CD, but instead of a CD I select my USB key>
- once the USB key was created successfully I unmount the "tvtos\winpe.wim" file and add all the NIC dirvers into it
This is all that I have done.
Yes, of course there are couple other steps, that I do, like modifying the BCD file, adding other WINPE files, diagnostics and other deployment tools, however, this is not realy a part of IUB, I'm using it for my WDS server and other deployment tools, that I need to use. If you know, what I mean, then you surely understand, that it's a live safer to have everything on one USB key, then on multiple CD where I need to search throught all of then to find the correct CD.
Let me know, whether this method is more suitable for you.
As described above, this is not the realy official/supported way, but it's working for sure.
Rgrds

Complaint: Issue with the Network

Facing issue with the Network for most of the time and sometimes even Data for both 3G and 2G.
My service provider was BSNL, Hyderabad, AP, India-50016
I have check even with my service provider from there they don't have any issue..
But the same works with my old BB8520 and others.
Please can you help me?
BBZ3-STJ100-1 OS V10.2.1.3247

Is it h+ or H+?
I've had similar issues when my sim card was bad. I had cut it down to micro sim size and it worked fine for a month. Then it stopped working in the Z10 but worked in my 9810. Try having your carrier replace your sim card.
1. Please thank those who help you by clicking the "Like" button at the bottom of the post that helped you.
2. If your issue has been solved, please resolve it by marking the post "Solution?" which solved it for you!

Problems with WiFi network connectivity post 2.1 upgrade

Have been having problems with WiFi connectivity since installing the 2.1 upgrade. When attempting to view some websites I get a "Safari cannot open the page because it is not connected to the internet" message. The same addresses can be resolved from my iMac at the the same time. Other websites don't have problems. Funnily enough www.apple.com is one of the effected sites.
I can also only sporadically gain access to the App store & the iTunes store from the device. I mostly get a message stating - "Cannot connect to iTunes store".
I am connecting through a WPA encrypted access point. I have tried restoring the device, resetting network settings, etc.
Has anyone else experienced this? After work tonight I will temporarily set my access point to WEP, just to see if the problem may be related to WPA. I have read that the iPod touch is effected by this.
Thanks,
Matt

No problem. The iPhone uses lower power on the WiFi transceiver to save the battery. It won't have the 50 meter range that one might see for other devices. As long as it works reliably when it is closer to the access point it is working normally.

IPhone 6/iOS 8 email issues with wifi connection

Hi
I have just upgraded from an iPhone 4 (iOS 7) to an iPhone 6 (iOS 8) and am having an issue with my pop email account. I used my iPhone 4 backup to set up new iPhone, so all the settings were as they were in my old phone. I have two email accounts, one is an IMAP account and the other is a POP account (which is my main email), I have no problems connecting to the server and downloading emails when connected via 4G (its super fast), but when I am connected via wifi, the POP account takes ages to connect to the server and check for emails (stuck on checking for email). I can speed up the process by closing mail app completely and reopening, then it checks and downloads really quickly (IMAP account has no problems), but this is frankly a pain.
I have spent ages on the phone with Apple support, who have got me to delete my POP email account twice, reset network settings, reset the phone using on/off button and home button, all to no avail. They are intent on telling me it's my email service providers fault, but as I pointed out there is no issue on 4G and my old iPhone (using iOS 7) on wifi has no issues, so can't be email provider. I have also tried using Apple's wifi in store to rule out router issue and the problem happened there too.
Have now run out of suggestions and options. I'm not sure if it's the phone itself, either a hardware or software issue (Apple support think not). Someone told me that it could be the wifi on my phone blocking the connection to the server. I have an appointment booked at the genius brand they have suggested wiping the phone and setting up as a new phone to see if the problem occurs, but this seems a bit drastic and I would lose all messages etc. Any help would be appreciated.

I have solved the issue! I tried my pop account on other devices with iOS 8 and the same thing happened, so I deduced that the issue is a glitch in iOS 8 with wifi and pop accounts. I managed to get hold of the IMAP settings for my email provider and all seems to be well. Happy days!

IPhone 4S uses 3G data even with WiFi network available

I've been trying to figure out why the iPhone still uses 3G data even when it has a WiFi network available. It's usually just a few MBs per day, and as such - I attributed to niotifications, location services, etc.
But today, I got a really nasty surprise...
As I woke up, my iPhone showed the WiFi indicator as usual, but internet was slow... as if it was using cellular data. Something i quickly confirmed by trying to access stuff on my internal LAN and not being able to.
Worst of all, my iPhone went through over 600MB of cellular data overnight - that's my entire data limit for a month! - meaning I'll have to pay for neary 400MB of excess data usage paid at overly inflated prices (I'll be paying nearly 3x my monthly bill just for the excess data!!!)
As if all the bugs I've been facing weren't enough: Invalid SIM, showing full strength 3G signal when it's actually "offline"... Now I have to face stupidly wasted mobile data when I'm at home within WiFi range?
I've been an iPhone use for years, and have upgraded every year to the new models... but this iPhone 4S has been my worst experience ever with a mobile device, and ruined all the trust I had in Apple devices...
I sincerely don't know what to do next... if I'll still wait for a 5.1 update that may/may not fix all the issues I (and thousands others, as seen by the discussions here) have been having... or if I cut my losses and try my luck elsewhere...
Tired of serving as a guinea pig and doing all this debug work for Apple...

The WiFi data is recorded separately - and the mobile data use was verified using the operator "reporting" service (and later sending me the warning SMS of the data use).
The iPhone was in the home screen, locked, and "sleeping" when the data was used, so the only option would be the iCloud backup - which, in any case, should never ever use the 3G data (and never has until today).
If the WiFi was not working, then it should either: not have internet access; not show the WiFi connected signal in the status bar. As it was, it was showing WiFi access, but using the mobile data just the same.
Which, from what I understand, could have "tricked" iCloud into doing its regular backup thinking it was over WiFi... but in reality doing it over cellular data.

Lion Upgrade - issue with WiFi Network

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