Unable to Connect to WiFi after iPhone power off; WiFi & internet are working with MBP; common problem, no solutions?
Here's my setup: Internet <> Comcast/xFinity supplied cable modem <> new Apple Time Capsule <> iPhone 4 & MacBook Pro (see below for hardware details)
Internet on my iPhone 4 has been acting slow since yesterday evening. My MacBook Pro was running fine, but just to be sure I checked the Comcast website to see that I have only used 50GB of my allotted 250 GB of data for the month, so it's not that.
I decided it must be a problem with just my iPhone, so I opened up the multitasking bar and quit everything in there manually, and then I held the on/off button, and slid the slider to power off. When I started back up, I could not connect to the same WiFi I had just been using. I tried to reconnect and nothing. I tried to forget the network and try again, nothing. I tried to reset all network settings, nothing.
I have tried all the steps listed here: http://support.apple.com/kb/TS1398 "iOS: Troubleshooting Wi-Fi networks and connections"
Toggled WiFi off and back on
Made sure I am in range of the router (it's about 8 feet away and my iPhone reports full signal from the network)
Made sure all the hardware is connected and on
Checked other devices (I'm successfully connected with my MacBook Pro right now)
Checked for router firmware upgrades (I have a new Time Capsule from Apple with the current 7.5.2 firmware which I've been using for a month)
Restarted my device (again)
Checked that the network is available (it does show on my iPhone)
Restarted my Time Capsule
Checked my router configuration as described here: http://support.apple.com/kb/TS3727 "Wi-Fi: Unable to connect to an 802.11n Wi-Fi network" which involves simply checking to see that WMM is turned on, also stating that WMM cannot be enabled or disabled for Apple's AirPort products.
Reset my network settings (again)
I have searched and searched for fixes to this problem, and I have additionally tried:
Enabling/disabling Airplane Mode
Disabling any network password protection/encryption (no luck), re-enabling it (no luck)
Changing the network password
Checking for hardware addresses present in iOS Settings > General > About (they are present and not zero'ed out)
Switching Bluetooth off (nothing) and back on (nothing)
....and probably a few other things I can't think of right now
I have yet to try:
The "Freezer Trick" which apparently involves chilling the iPhone to get a temporary fix?
Restoring the iPhone (I would really rather not)
A different WiFi network (other than my own Time Capsule home network or guest network, both of which give the same Unable to Connect error)
So, after all of that, are there any more ideas? Is there a reliable solution to this issue? So far I've just seen a lot of "mess with the settings," "the freezer trick worked," and "blame it on the iOS 4 update."
Here are my hardware details:
iPhone 4; iOS 5; 32GB; AT&T; no cellular data plan (July 2011)
TimeCapsule6,113; Firmware 7.5.2; 2TB (September 2011)
MacBook Pro 3,1; Mac OS X (10.7.2); 2.4 GHz Intel Core 2 Duo; Hi-Res Display; 4GB RAM; 500GB HD (August 2007)
...and the Time Capsule config:
http://cl.ly/BCUt
Ugh. Apparently "messing with it" is still the answer. I decided to try the LinkSys router I was using before I bought the Time Capsule, and my iPhone connected with no problem.
I went through the steps again, and after rebooting my Time Capsule this time, I can connect again. The troubling thing it that this started with a power-off of my iPhone. No changes or installations, just a reset. Am I going to have to reboot my Time Capsule (which has no power switch, just a cord I have to unplug) every time I reboot my iPhone?
Jinkies.
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~~~~~~~~~~~~~~~
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Are the users on a BlackBerry Enterprise Server?
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