HTC has released Android 6.0 Marshmallow update for Desire 816 in some parts of the world, which update the phone to software version 3.12.401.4. HTC’s Marshmallow ROM comes with Sense UI 7.0, which is more fluid and advanced than the previous Sense UI 6.0. Also, you can experience various new features once you update your Desire 816 to Android Marshmallow.
Rooted HTC Desire 816 owners cannot install the official OTA update. Today’s guide shows you how to install Android 6.0 Marshmallow update on a rooted HTC Desire 816 and without losing root. An XDA user xXminiWHOOPERxX has released a pre-rooted Android 6.0 Marshmallow ROM based on HTC’s stock Sense 7.0 ROM. You can install the ROM on your rooted phone just like any other custom ROM via a custom recovery.
Read on to know all the prerequisites and installation guide for Sense 7 Marshmallow ROM on HTC Desire 816. Note that the below given file is a modified, pre-rooted ROM built on the HTC’s stock Marshmallow firmware.
a) HTC Desire 816 should be running Android 5.1 Lollipop firmware.
b) HTC Desire 816 should have unlocked bootloader, rooted and the latest version of TWRP recovery (v.3.0) installed on it.
c) Above 50% battery charge remaining on the phone
d) Backup any important file stored on your device before flashing the ROM. Also, do not forget to make Nandroid backup from custom recovery
Disclaimer: Follow the instruction at your own risk. We will not be liable if any damage occurs to your device and/or its components. It is recommended for technically talented users only.
2. Boot your phone into TWRP recovery. To do so, press and hold Volume Down button and press Power button.
3. In recovery, select Wipe and perform Factory reset, wipe cache and dalvik cache
4. Select ‘Install’, navigate to marshmallow-d816 ROM zip file and swipe right to start flashing the firmware. Once flashing done, reboot your phone.
Enjoy Android Marshmallow with Sense UI 7 on your HTC Desire 816. Any doubt, leave it in the comment section below (Source – XDA).