HTC One M8 Android 4.4.3 Kitkat Update - Official, Manual Update

In this guide go through instructions on how to update HTC One M8 with Android 4.4.3 Kitkat update official and manually.

HTC One M8, the flagship HTC phone is capable of Android 4.4.3 Kitkat update after it was seeded with Android 4.4. Kitkat.

HTC One M8 Android 4.4.3 Official Update

You can go through Settings > About phone and download it officially. For some HTC One M8 phone you might get update notification from your carrier but always you can force check for software update by going through the below process -
  • Go to Settings and then tap on About Phone.
  • Now tap on Software Update and hit Check Now.
  • If update available click on Download and then later hit Install.
  • Your phone will be restarted in between the process.
Manual Update
If no official update you can update your device manually as well. We will be going through update instructions in this guide but before that some pre upgrade requirements.
  • You will also have to root your HTC One M8 to prepare it for Android 4.4.3 Kitkat upgrade.
  • Just before beginning to upgrade your HTC One M8 to Android 4.4.3 Kitkat don’t forget to backup your information, as contacts, text messages and the apps installed from Google Play Store who maybe lost when the installation finishes.
  • USB debugging should be enabled on your device.
  • Your phone should have ClockWorkMod Recovery Installed.
HTC One M8 Android 4.4 Kitkat

Now let’s see how to update HTC One M8 to Android 4.4 Kitkat -
  1. Download HTC One M8 Android 4.4 Firmware package to your PC first.
  2. Install the ROM Manager on your HTC One M8. Get it from Google Play Store, then install the clockwork mod recovery.
  3. Connect your HTC One M8 to your PC employing the USB information cable. Copy the “Sony HTC One M8_4.4.3” file you downloaded to the SD memory card.
  4. Restart your device in the recovery mode using ROM Manager. As soon as in Recovery Mode, go to ROM Manager and select backup / restore to back-up your information.
  5. From the Recovery Menu do a total data erase (including Delvik Cache).
  6. When completed, Go back to Recovery Menu and choose Flash ROM from SD Card. Navigate the location you copied the ”HTC One M8_4.4.3” file and follow the directions for installing Android 4.4.3 Kitkat on your HTC One M8.
  7. Once done hit "Reboot system now" to boot your device normally.
As soon as the installation is over, just reboot your HTC One M8 device, and here you go, you’ve just upgraded it to the new Android 4.4.3 Kitkat.

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