The Sprint variant of the HTC One M8 device has been receiving a maintenance release over it’s Android 6.0 Marshmallow firmware. The update brings the latest Android 6.0 Marshmallow for the device. According to the HTC portal, this is a new maintenance release update and should include security patch from December and January. The update comes in the form of an RUU file with .exe extension and weighs 1.54 GB. It brings stability improvements and bug fixes along with some new features.

The software upgrade comes with the build version 6.20.651.3 which is a newer version. Hit the download section below for the RUU file. Before you proceed, please confirm the currently loaded firmware version on your device. If it is the same version, there is no need to reload the software. To check the firmware version, navigate to the Home screen then tap All apps > Settings > About and locate the Software version. If your Software number is less than 6.20.651.3, you should proceed with the upgrade.

Once the update is available, you can flash the firmware using 3 methods. It is a full firmware. Hence, you will need to backup everything before flashing the firmware. It will perform a clean install. During the upgrade process, the device will reboot multiple times and show software upgrade screens. Do not remove the AC charger as this might stop the update and your device may be rendered inoperable. Visit the installation page for the HTC One M9 device from below for the full tutorial.


This HTC Advantage software upgrade available for your HTC One provides the following key enhancements:

· System update to Android 6.0 Marshmallow

· App permissions: lets you define what you want to share and turn permission off anytime.

· Now on Tap: gives you access to additional information whilst on your active screen.

· Smarter power management: Doze, a battery optimization feature.

· Android Security update: improving device on board security.

Download Sprint HTC One M8 Android 6.0 Marshmallow RUU File

The links are now live. Also, visit HTC News Page for the latest version.

HTC One (M8) Maintenance Release
Download | File: RUU_M8_WHL_M60_SENSE70_SPCS_MR_Sprint_WWE_6.20.651.3

HTC One (M8) Harman/Kardon Edition Maintenance Release
Download | File: RUU_M8_WHL_M60_SENSE70_SPCS_MR_Sprint_WWE_Harman_6.20.654.3.exe

→HTC One M8 News Page — Link-Sprint

→HTC One M8 News Page — Link-HKE

Meanwhile, you can try the leaked Sense 7.0 ROM on your Sprint HTC One M9. You may also like some previous builds for your Sprint variant and restore it to stock firmware in order to receive the updates over the air. Click here– The link contains various stock files to install the stock firmware. For installation procedure, click the link below and get 3 methods to flash the stock RUU file for your HTC One M8.

See how to update HTC with RUU file:

See how to Update HTC One M9 To Android 6.0 Marshmallow Firmware With RUU. You may also want to check out- Install Official HTC One M8 Marshmallow OTA Update Using TWRP And Stock Recovery [ V6.12.401.4].