Unlocking HTC One 2014 Dual SIM (m8d) and installing latest TWRP recovery (3.2.3-1) is very easy now. Just follow below guide as it is. Unlocking your smartphone/tablet is the first step to extract the complete juice of your device hardware. Once HTC One 2014 (m8d) is unlocked, you can then easily install custom recovery such as TWRP recovery, can root it using Magisk or SuperSu. After root access, you can perform various system related task which otherwise isn’t possible.

Related: How to Root HTC One 2014 (m8d) with Magisk – Detail Guide

How To Unlock and Install TWRP Recovery On HTC One 2014 (m8d)

WARNINGUnlocking the bootloader will erase all data on your device! Before proceeding, ensure the data you would like to retain is backed up to your PC and/or your Google account, or equivalent. We (TrueAndroid Team) are not responsible if anything happen to your device while following this tutorial.

TWRP Recovery Installation Guide

Advantage of TWRP Recovery

  1. A touch based interface.
  2. Can flash custom ROMs, Mods and kernels.
  3. Can wipe Dalvic /ART Cache.
  4. Allow you to access and use phone memory when you are in recovery.
  5. You can install Xposed Modules.
  6. You can root your device using root zip file (magisk, supersu etc.)
  7. Flashing a custom kernel may help you to overclock or underclock your SoC.
  8. Can factory reset your device.
  9. You can remove all bloatware by flashing proper bloatware removal zip.
  10. You can take a full system backup (Nandroid) and later restore it.

Requirements:

  1. Make sure your computer has working adb and fastboot. Setup instructions can be found here.
  2. Enable USB Debugging on your device. [Tutorial]
  3. Proper USB driver is installed. [Download]

How To Unlock HTC One 2014 (m8d)

  1. Enable OEM unlock in the Developer options under device Settings, if present.
  2. Once done, connect your device to your PC using a USB cable.
  3. Now on your computer open a command prompt (on Windows) or terminal (on Linux or macOS) window, and type: adb reboot bootloader . You can also boot your HTC One 2014 (m8d) to fastboot mode by pressing Volume Down + Power when the device power is off, until the bootloader appears, then release the buttons. Use the volume buttons to scroll to “FASTBOOT” and press Power to select.
  4. To confirm the device is connected in fastboot mode or not, type: fastboot devices.
  5. Once confirmed, type the following command to unlock the bootloader: astboot oem get_identifier_token.
  6. Visit the HTCDev Bootloader Unlock website and follow the instructions there to obtain your unlock key and unlock your bootloader. If your device does not appear in the drop-down list, select All Other Supported Models.
  7. The device should automatically reboot, if not then reboot it manually.
  8. Since the device resets completely, you will need to re-enable USB debugging for the next recovery installation process.

Once unlocking process is completed, you can then follow below steps to install TWRP Recovery.

How To Install TWRP Recovery 3.2.3-1 on HTC One 2014 (m8d)

  1. Download TWRP.
  2. Once done, connect your device to your PC using a USB cable.
  3. Now on your computer open a command prompt (on Windows) or terminal (on Linux or macOS) window, and type: adb reboot bootloader . You can also boot your HTC One 2014 (m8d) to fastboot mode by pressing Volume Down + Power when the device power is off, until the bootloader appears, then release the buttons. Use the volume buttons to scroll to “FASTBOOT” and press Power to select.
  4. To confirm the device is connected in fastboot mode or not, type: fastboot devices.
  5. Once confirmed, type the following command to flash TWRP Recovery: fastboot flash recovery twrp-x.x.x-x-m8.img. [NoteReplace TWRP file name with your downloaded file name]
  6. The device should automatically reboot, if not then reboot it manually.

Tip: To boot into recovery first turn off your HTC One 2014 (m8d) and then press and hold Volume Up and Power button together until the bootloader appears, then release the buttons. Use the volume buttons to scroll to “RECOVERY” and press Power to select.

That’s it! You now have an unlocked HTC One 2014 (m8d) with latest supported TWRP Recovery installed.

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