Sony Xperia ST21i2 Hard Reset and Pattern Lock Solution Volcano Tool -

Sony Xperia ST21i2 MTK Android, how to remove pattern lock with Volcano Tool and hard reset. This can be done with Volcano Tool's Android Tool V2.2. The below is the procedure for pattern unlock Sony Xperia st21i2 Android Release 4.0.4 by rooting the device and wipe the data/factory reset.


  • Open Volcano Tool
  • Click on Android to Open Android Tool
  • Click on ADB MODE
  • Select ADB Root (To Root the Device)
  • Then Click on Start

After Root Success The Device Will Restart

Sony Xperia ST21i2 pattern lock successfully removed with Volcano Tool

  • Then Click on Wipe All
  • and Click on Start

After that device will restart again and now you have successfully hard reset the Sony Xperia ST21i2 with Volcano Tool.

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