(Video) How to Install and fully Set up ADB (Android Debug Bridge) - Step-by-step GuideThe first command supposed to grant a specific permission (BATTERY_STATS) to a specific app, i am unfamiliar with the second one (it turns a system setting named 'hidden_api_policy' on, but i have no idea what this setting is). I have no idea if those work as expected on Android 11, and Google loves changing stuff like that.
In any case, first, make sure you don't just run those commands from start->run or equivalent, but from a command line window, so if there are any errors you have a chance to read them. And finally, don't forget to force close and restart the app in question.
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(Video) Adb Fastboot Command အသုံးပြုလို့ရအောင် ပြင်ဆင်နည်း ၊ Driver သွင်းနည်း
Then the OP just doing something trivial wrong, which is a good thing, since it can be fixed
I am using the ADB shell in the platform tools folder. Yes, I'm sure I am making some stupid mistake . I had no problem rooting my Pixel 2Xl, so I'm hoping I can figure this out. I'll just keep trying.