Battery Dying Quickly
My iPhone 12 Pro battery will not stay charged?
iPhone 12 Pro, iOS 14
My iPhone 12 Pro battery will not stay charged?
iPhone 12 Pro, iOS 14
If it was at 100% at 6:30 AM there is clearly a problem. First, check battery health. If it says that it is normal try:
Can you define quickly? If you charge the phone overnight, every night, how long does it last during the day?
If you go to Settings/Battery/Battery Health what does it say about battery condition?
Not a lot of information in your post, so see if the following article can help:
It lasted until about 1:30 pm today from 6:30 this morning it was at 18%
Battery Dying Quickly