- Worse battery life.
- GPS not locking on signal.
- Keyboard lag.
- Problems connecting to AT&T voice network.
- GPS and battery functions showing large data usage.
- Contacts crashing. Contact doubling in texts (see below).
- Screen freezes during web browsing.
- Greater memory usage.
- Camera malfunctions.
- Wi-Fi constantly scanning, disconnects and huge data downloads.
- Note this kind of problem has been reported on the in other Samsung Galaxy S II models when updated to ICS 4.03 which was fixed for many with 4.04.
- Some workarounds include performing a factory data reset or creating a new Wi-Fi network on the phone using 2.4GHz only.
- Another fix is to Go to the Wi-Fi settings, click and hold the network you have saved eg:linksys, go to modify network config , then tick a box for show Advanced options, .. Change from DHCP to static.
- Use Wi-Fi button on the power savings widget to turn on/off and Go Settings, Wireless and networks + more, enable and disable Wi-Fi Direct.
***NOTE***
This will not all happen to everyone, these are just a few things people have reported, and wanted to let you know if you experience these, you aren't alone, hopefully Samsung/At&t rolls out an update to address certain issues.