C Coachmcguirk macrumors newbie Original poster Jul 30, 2008 13 0 Jun 24, 2010 #1 Is there anything that needs to be done initially with the iPhone 4 to ensure proper battery calibration and health?
Is there anything that needs to be done initially with the iPhone 4 to ensure proper battery calibration and health?
Chupa Chupa macrumors G5 Jul 16, 2002 14,835 7,396 Jun 24, 2010 #2 Charge it to 100%, let it drain until it shuts itself off, recharge to 100% and keep connected to charger for an hour or so afterward. Battery is now calibrated.
Charge it to 100%, let it drain until it shuts itself off, recharge to 100% and keep connected to charger for an hour or so afterward. Battery is now calibrated.
TexasBlake macrumors member Aug 12, 2008 77 0 Houston, Tx Jun 24, 2010 #3 Just like any battery. Fully charge it, dully drain it (almost) Repeat
C Coachmcguirk macrumors newbie Original poster Jul 30, 2008 13 0 Jun 24, 2010 #5 Awesome. Thanks a lot! Phone is at 12% now.. I'll just let it die before I plug it in. Impressively, that is with: 8 hours and 43 minutes of usage and 23 hours 33 minutes of standby Sent: 60Mb Rec: 875Mb Battery lasts quite a bit longer than the 3GS..
Awesome. Thanks a lot! Phone is at 12% now.. I'll just let it die before I plug it in. Impressively, that is with: 8 hours and 43 minutes of usage and 23 hours 33 minutes of standby Sent: 60Mb Rec: 875Mb Battery lasts quite a bit longer than the 3GS..