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How to Unbrick HTC One

If you have managed to brick or damage your HTC One then you are probably looking for a proper method to apply for unbricking your Android device. In order to help you out I have developed this dedicated step by step guide; during the guidelines from below I will show you the most useful procedures to apply for repairing your HTC One, all the steps from below being compatible with all the HTC One models. Moreover there are more ways in which you can try to unbrick or to fix your bricked phone so use one or more methods if needed.

You can damage your HTC One or soft brick it when applying unofficial operation or when trying to unchain or power up its system and performances. So, basically I am talking about procedures like gaining root access, installing custom ROMs, overclocking the CPU, flashing custom kernel, unlocking the bootloader and so on. All these tasks aren’t official and the warranty of your phone will get void when applying the same, which means that if something bad happens you can’t take your device back to service for technical assistance. So, you will have to unbrick your HTC One by yourself.

Also, your device might experience issues after updating to a new version of Android OS. In some cases your phone might run slower than it used to, the battery might drain faster and there might be lags or bugs. These problems can too be resolved if you know what operations to perform. So, use this tutorial for being able to fix almost all the problems from your HTC One. Don’t forget though that in case you managed to hard bricked your phone, it will be basically impossible to fix it by using this tutorial – in that case you will have to take your device back to service.

Anyway, if possible and if you can still use your HTC One, before heading to the proper steps from below, first take care of some pre requisites. The first thing to do is to make a backup for saving everything that you might need afterwards. So, use compatible backup and restore apps for saving your contacts, text messages, call logs, market apps, internet settings, personal data, info and accounts and everything else that’s saved on the internal storage of your Android smartphone. Moreover, you should charge your device especially if there is less than 50% power left; skip these procedures if you can use your phone as there is nothing you can do in that matter.

Also a computer will be required while your HTC One and its USB cable must be near you. On the computer you will be using deactivate, temporarily only, the antivirus and any other security protection. Furthermore, install Android SDK and set up ADB. Finally, just remember that the guidelines from below have been tested and it will work only for the HTC One smartphone, so don’t use this guide for unbricking any other Android based phone or tablet.

How to Unbrick HTC One

Make a Hard Reset

Most of the common issues can be resolved by making a hard reset. So basically hard reset your HTC One if your phone runs with bugs, lags or if the screen often freezes and if you get force close errors. If the hard reset operation isn’t useful for you, don’t hesitate and try the rest of the guidelines from below.

Resolve boot loop issues

After flashing a custom or official Android OS, your HTC One might get stuck in a boot loop. Now, if you are experiencing this type of situation, follow the next steps.

  • Enter your HTC One in recovery mode.
  • Select “wipe cache partition”.
  • From main menu of recovery also select “wipe dalvick cache”.
  • Return to recovery and consider in making a factory reset too.
  • In the end reboot into Android by selecting “reboot system now”.

Unbrick HTC One by using the combination of volume up / down and power buttons

Now, this strange but efficient method has been posted by those of xda-developers so we have to thanks them for this possibility. Here is what you need to do in order to repair your Android smartphone.

  • First solution: Press on Volume up and down at the same time; moreover also press power key and keep pressing these buttons for at least 90 seconds. Your phone should eventually vibrate, flash or respond in some matter. Do note that you might have to repeat this operation several times with long waits in between for being able to resolve the problems.
  • Second solution: Take your phone and put it up to a bright light (it can be a headlight or a lamp bulb); while doing this hold power button for about 15 seconds. Then play with power and volume down / up buttons until your phone reboots.
  • Final solution: If your phone get damaged while the USB cord was plugged in, wait a few minutes in order to ensure that the process we are talking about isn’t running any more. Then unplug the USB cable – your device should now reboot.

How to restore HTC One to stock Android OS and revoke root access

Relock the HTC One bootloader (apply this step only if your device was previously unlocked)

  1. On your computer install the HTC One drivers.
  2. On your computer go to the folder where you have installed fastboot via Android SDK.
  3. On the same folder open a command prompt windows (press the Shift key and right-click on an empty area on the Windows Explorer, now select “Open command window here”.
  4. Enter your phone into fastboot mode; connect your device with your computer via USB cable.
  5. In the cmd window from your computer type “fastboot oem lock”.
  6. Now the bootloader will be relocked.

Downgrade HTC One to stock OS

  1. On your computer download ROM Update Utility (RUU) from this page (choose the RUU compatible with the model of your HTC One).
  2. Now install the RUU on your computer by following the on screen prompts.
  3. Also follow the instructions from RUU and just reinstall the Android OS on your HTC One (of course you will have to connect your phone with your computer for being able to do so).
  4. In the end your HTC One should boot right into stock Android firmware, thus root access has been revoked and factory restrictions reinstalled.

That’s it all; hope that now you have finally unbricked your HTC One. If you know any other methods to apply for resolving Android related issues, don’t hesitate and point it out by using the comments field from below and we will update this tutorial accordingly.

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