If your SUPERSONIC SC-91JB is stuck or frozen, You can perform a soft reset operation. Check out how to force restart Android 4.1 Jelly Bean. As a result your SUPERSONIC SC-91JB should reboot and start running again. Click here to find out more about soft reset operation.

First method:

  1. Start by holding down the Power button for a short while Master Reset SUPERSONIC SC-91JB
  2. From the available options choose Power Off and then tap OK.
  3. Wait a couple of seconds.
  4. In the last step use the Power key again to turn the phone back on. Master Reset SUPERSONIC SC-91JB

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