Battery health

Hello ~ The update may help with that. Are you getting a temperature warning ?

If your iPhone, iPad, or iPod touch gets too hot or too cold

Also try :

Force restart iPhone - Apple Support

~Katana-San~

Hello again ~ No need for exclamation marks. Take a look here for the best charging and battery tips. It is a lot of information but well worth the read:

When to charge your iPhone or iPad - Apple Community

~Katana-San~

soniya20 wrote:

Yes I have !

can you tell me how to schedule charging frequency or timing so that battery health can be maintained!

See here:

When to charge your iPhone or iPad - Apple Community

My phn went from 95-93 in no time without any significant change in charging pattern or usage !

Again, you're not giving much objective data. How old is your phone? Is this the original battery?

Hello ~ What would your questions be? In the meantime take a look here:

Update your iPhone, iPad, or iPod touch - Apple Support

~Katana-San~

Hello ~ Have you updated to iOS 15.5?

~Katana-San~

soniya20 wrote:

and also my battery health is dropping too fast!

Define "dropping too fast". How old is your phone? What is your battery health percent?