Entering Android System Recovery Mode Manually

Entering Android System Recovery Mode Manually

Many of the update methods discussed in this section require putting the device into Android Recovery mode. If you are unable to enter Android Recovery mode through
adb
commands, use the following steps to manually enter Android Recovery mode.
  1. Press and hold
    Power
    until the menu appears.
  2. Touch
    Restart
    .
  3. Press and hold
    Trigger
    until the device vibrates
    The System Recovery screen appears.