Fix for WiFi problems after iPhone 3.0 upgrade
June 19th, 2009
Daniel Eran Dilger
So I’ve been pulling my hair out over my iPhone 3G and iPhone 3G S both refusing to stay on WiFi and failing to automatically reconnect after waking from sleep ever since the upgrade to iPhone 3.0. Strangely enough, my original iPhone doesn’t seem to have the problem.
Apparently I’m not alone, as Google recommends in Safari. So here’s how to fix the problem:
4. Reset Network Settings
This will wipe all your WiFi settings out and restart the phone. When it starts up again, you’ll have to reenter passwords for the WiFi networks you use. Ever since the reset, my phone seems to join my network normally.
Find My iPhone, Remote Wipe work with as many devices as you can register with MobileMe: