I found after i updated to iOS4, my iPhone become slower...作者: theblackjack 時間: 2010-7-16 07:23 PM
ok, wat i notice that iPhone 3GS iOS 4 battery drain very fast , before i upgrade to OS4,
im using OS 3.1.2, i play the iPod music and it can last for last time, 5-6 hours no problem,
but after using OS4, play iPod music for 2 hours the battery was deduct about 40% !!!!!!作者: stevenwt2219 時間: 2010-8-14 07:34 PM