Apple's mobile phone battery can be changed, but whether or not to change the battery and what kind of battery to change are all exquisite. First of all, the battery peak value of the newly bought Apple mobile phone drops below 80% within one year, and the battery can be replaced for free. At this time, you only need to see if the mobile phone is under warranty. If it is within the warranty period, it can be replaced free of charge. Apple mobile phone battery replacement usually