Battery Life

[Mezzz]

I feel like I spoke too soon about this replacement handset.

It's been fine till the past few days where as soon as I get under 70%, battery life my phone goes into power saving mode.

It's really frustrating. I haven't changed or done anything different.

Really wish I didn't buy this phone!

[Fiona26]

Check in battery and device care. Tap the 3 dots go to automation. You may have adaptive power saving turned on.

[MrJCharming]

Check you don't have any bixby routines on

[BandOfBrothers]

@Mezzz 

Try 

> https://www.samsung.com/uk/support/mobile-devices/how-do-i-clear-the-cache-on-my-device/ You may need to insert your earphones or hook upto a powered On Laptop to access the Clear Partition Section. This may help with lag or stutters as this clears the phone of old/unused or broken cache files.There is also a Repair Apps option in the Menu System too. 

> Settings - General Management - Reset - Reset Settings.