Sometimes there will be no fix, and you will have to buy a new charger; however, before you do that, try these methods and see if they work for you. The cable is the most common source of iPhone ...
Undoubtedly, Optimized Charging is a useful feature to have ... you should get in contact with Apple support for your iPhone ...
There are actually a few ways to charge your phone up fast to get it back to where it needs to be, even if your phone is ...