If I flash stock and unroot via Nexus Root Toolkit... will this turn off usb debugging?

Question

My screen does not work after replacing the digitizer (it's just white...)



Before I go buying more parts, I'd like to eliminate software issues (apparently this can be caused by the device not wanting to accept new parts, this seems strange but I want to investigate it).



So, I would like to flash stock to bring it back to the beginning, and if it's still broken, it's still broken. Don't understand why the screen would have broken, since all I did was unplug it and plug it back in...



So, if I flash stock and unroot via adb, will this turn off usb debugging? If it does, I'll be done for as obviously can't turn it back on without the screen working...


— Ne Mo | Sources

Answer

Yes, the USB debugging would be found turned off.



The USB debugging settings are saved under /data, specifically mentioned under:




  • /data/property/persist.sys.usb.config

  • /data/data/com.android.settings/shared_prefs/com.android.settings_preferences.xml

  • /data/data/com.android.providers.settings/databases/settings.db



Because flashing a stock ROM would require you to wipe /data to avoid unforeseen issues, you would lose all the settings.



As you mentioned it yourself, flashing a custom ROM which has USB debugging turned on as default would be the best thing to do here.



Note that if you're going to flash a ROM with Android 4.2.2 or above you would be required to authorize the debugging on Android. If you've a custom recovery, you may try my answer mentioned here and if you end up flashing a ROM with USB debugging turned off, this answer of mine may help.


— Firelord | Sources

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