If your SONY ERICSSON Z780 is stuck or frozen, You can perform a soft reset operation. Check out how to force restart Vendor. As a result your SONY ERICSSON Z780 should reboot and start running again.

  1. Press Power button until device will switch off.
  2. Other way is to remove battery for a few seconds and shove it back again.
  3. Then switch on the device, hold Power button to do it. Hard Reset SONY ERICSSON Z780
  4. Phone should now boot up, after that operation is done.

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