How to Turn Off iPhone Throttling in iOS 11.3

[Guest]

Apple has given you the option to turn off performance throttling in iOS 11.3. Here's how it works.

How to Turn Off iPhone Throttling in iOS 11.3 : Read more

 

[Harvey_14]

"You'll need to keep performing the steps above to disable the throttling"...

... Until you realize:
1) that you will continue having unexpected shutdowns if you turn the power management off, and
2) that you need to have your failing battery replaced.