Ios 14 Battery problem

You have just installed a major version update on your iPhone 11. Give it a day or so for things to settle as far as iOS is concerned. Then check again.

Meanwhile, you can try the following:

Try and Force Restart your iPhone exactly as shown below and see whether that resolves the issue:

• Press and quickly release Volume UP button
• Press and quickly release Volume DOWN button
• Press and Hold the SIDE button until an Apple logo appears then release the Side button (Can take up to 20 seconds. DO NOT release Side Button when invited to Slide Power OFF). 

Axel F.

call apple support. Tech said that engineers log reports and respond to issues accordingly.