How To Unlock HTC One M8

On September 17, 2014, in Unlock, by admin


  • HTC Android USB drivers properly configured and installed.
  • USB Debugging enabled on your HTC One M8.
  • A complete backup of all your data on your M8.
  • A fully charged device.

With the formalities out of the way, let’s get started.

Step 1: First and foremost, you’ll need to gain S-OFF using the firewater S-OFF software located at:

Step 2: Now, head over to SIEEMPI (here), enter the required details including IMEI and email, and once you have done so, you’ll be mailed a unique file specific to your particular device. Download it.

Step 3: Place the downloaded config.dat file into your microSD card’s /root folder.

Step 4: Press and hold Power + Volume Down to boot in bootloader mode.

Step 5: Using your volume toggle, scroll to the SIMLock feature, then press the Power button.

Step 6: Once the config.dat file downloaded in Step 2/3 has been applied, simply follow the on-screen steps, and after a short wait, your device should be SIM unlocked.

Once you’ve followed the guide, check that the magic has happened by placing another SIM into your handset.


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