Hard Reset HTC ThunderBolt

First method:

  1. First of all, switch off your phone by holding the Power button.Hard Reset HTC ThunderBolt
  2. After that press and hold  Volume Down + Power at the same time for a few seconds.HardReset HTC ThunderBolt
  3. You can release held keys when you see the Bootloader Mode.Factory Reset HTC ThunderBolt
  4. Then use Volume Down to select "Factory reset", and press Power button to confirm this option.
  5. Well done! The hard reset has just been performed.

Second method:

  1. Turn on the phone by using the Power button. Hard Reset HTC ThunderBolt
  2. Afterwards go to Settings and then to Backup & reset.
  3. Tap Reset Phone
  4. Choose Erase Everything if you are sure you want to clear all your data. 
  5. Select OK to confirm the whole operation.
  6. Good job!

Hard Reset HTC Thunderbolt ADR6400L Verizon

HARD RESET your HTC Thunderbolt DATA Wipe Master Reset (RESTORE to FACTORY condition)

How to Hard Reset (Factory Restore) Password Wipe the Htc Thunderbolt 4G LTE tutorial

WARNING !
Hard Reset will erase all of your data
All described operations you are doing at your own risk.

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