How to delete on oneplus 9r 184.108.40.206 update
What you want to delete?
If you already installed the update, you can't delete it
But iam facing battery dring issue
Please read and use the pinned battery and heating thread for any battery and heating related discussion
Most likely is an app what is causing your battery issue.
OxygenOS 12 - Ask Me Anything
by Crystal Z., 2022-01-11