We provide you with some tricks to calibrate your iPhone battery and better your iPhone battery life.
1, Drain your iPhone battery until it powers off automatically;
2, Leave it for about 5 hours to further drain it;
3, Charge your iPhone to 100%, and then keep charging it for another two hours without unplugging iPhone;
4, Use your iPhone regularly to let it drain completely without charging it;
5, Repeat Step 3, then you will have better battery life for your iPhone.