GPS / navigation system - Easily Screen - Good Multitouch - Good Brightness - Good WLAN / Bluetooth - Good Battery Life - Super (5h as Navi in the car has less than 50% unloaded.) 2 SIM card functionality - Super (simple and easy) Audio quality (3.5 jack) - Good Audio quality (call) - for both Gesprechsteilnehmer ok Camera - Good (... but not when it is too dark) CPU / memory - Good (only for multitasking with 3 or more apps with very high Leistungsbedurfnisse I "performance issues" mind you) Apps and so have works fine (except for when the apps are failed $$ e itself, but the phone can not do anything for :))