I have a 3G (with latest OS) configured to connect to my wireless router at home. The wireless encryption in use on the router is WPA2. I am not broadcasting the SSID and have MAC filtering turned on with the iPhone's MAC address allowed in the router.
I had no issue for months. When I enabled Wi-Fi on the iPhone, it connected to my router and never dropped. When I finished browsing/apping, I would disable Wi-Fi in order to increase battery duration, then enable Wi-Fi the next time I needed it.
Now, when I enable Wi-Fi, the router will appear in the list, attempt to connect, and fail. When I manually click that router name, it attempts to connect, then prompts me for the network password, which I enter, then the connection fails. Yes, I'm entering the right password.
It is, though, a bit sporatic. Sometimes, I will just enable Wi-Fi and quickly leave the Settings area and jump right into Safari or some other app. After browsing for a minute or two, the "3G" symbol in the upper-left will change to the Wi-Fi signal strength indicator. It will stay this way for several minutes, then change back to "3G".
No settings have changed on my router in months. The only changes have been several OS updates on the iPhone. I've bounced the router, bounced the phone, and restored the phone from backup. I've told the phone to forget the network and reconfigured it. I do not want to reset my phone back to factory default.
Any help would be appreciated. I would be especially interested in learning what the precise issue is and receiving a solution to the problem rather than taking a shotgun, dart-throwing approach at symptoms.
Thanks in advance for your assistance.
Orignal From: iPhone Wi-Fi Connection Dropping ...
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