Android Questions? Ask Android Device Experts for Answers ASAP
1. Turn off your Coolpad Quattro 4G phone and pull out battery and reinsert it after a few seconds.
2. Press and hold both Volume DOWN + UP and hit POWER button until "Recovery mode..." showing on the screen.When the triangle with an exclamation mark appears touch the HOME touch key to enter Recovery menu.
3. Select Factory reset /wipe data. (scroll down with VOL down.)
4. Select with power.
5. Scroll down to Yes -- delete all user data. Press power to confirm.
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Unfortunately, that means your phone has hardware failure which means it needs to be replaced. The good news is that it is less than 1 year old so it will be replaced for you.
Please take your phone to MetroPCs and let them know that your phone has hardware failure.