Not to be confused with #dic:testingmode or #dic:safemode
Recovery Mode is a menu on your phone where you can do things like apply an update from #dic:adb and perform a #dic:hardreset .
You can reach it by turning off your phone, unplugging all cables and pressing power and volume up at the same time. In case of the stock Android recovery mode:
In Recovery Mode you navigate by:
- Power to open the menu
- Volume down to move down
- Volume up to select / Power on FP2
Here is a more extended Guide.
You can also end up in recovery mode if superuser access is denied during an update process. Read here what to do then.