i have installed ios 6.1.6 in my iphone 3gs and this ios use more bettery...
so,
i want to install ios 6.0 in my iphone 3gs
so plz tell me how can i install downgrade ios???
iPhone 3GS, iOS 6.1.6, ios 6.1.6 to ios 6.0
Sorry, but downgrading is not possible.
so how can i save bettery????
Battery optimization: http://www.apple.com/batteries/iphone.html
Another article: http://www.overthought.org/blog/2014/the-ultimate-guide-to-solving-ios-battery-d rain
Take off auto screen brightness, close all apps by double tapping the home button, turn off bluetooth and wifi if not in use. Always lock screen when not in use.
Turn off location services as well. That can take a lot of battery life.
Good luck.
how to install downgrade ios in 3gs
