How to hard reset gone max pro step, one at start switch off the smartphone by holding the power button for a few moments, step 2 now, press volume up and power key for a couple of seconds step: 3 release all help buttons when boot mode pops up on the screen for further detailed guide. Please check the link in the description there. You will find further steps on how to hard reset your smartphone for further detailed guide. Please check the link in the description there. You will find further steps on how to hard reset your smartphone for further detailed guide. Please check the link in the description there.
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Source : Smartphone Upgrade Guide