How to Enable Battery Saver on Stock Android Version 8.0 (Oreo)?
First Method:-
Step 1: Tap on 'settings' App.
Step 2: Tap on 'Battery'.
Step 3: Tap on 'Battery Saver'.
Step 4: Tap on toggle next to 'Off' to enable it.
Second method:
Step 1: Pull down the notification panel.
Step 2: Again, pull down to access the quick panel.
Step 3: Find the 'Battery Saver', and then Tap on it to enable it.
It's done.
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