12 mini Temperature battery problem
iPhone 12 Minnie Have too much temperature and battery slow down 75% have a capacity you need to change the battery
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idreesh wrote:
My iPhone12 mini Have a battery life maximum capacity 75% and battery slow down every day to three time we need to charge my battery My phone every time coming temperature and shut down
You need a new battery. iPhone batteries are considered past their useful life when the maximum capacity drops below 80%.
iPhone Battery Repair & Replacement - Apple Support