Android 6.0 Marshmallow upgrade is now available to HTC One M9 smartphones through custom ROM Maximum HD 7.0.0. The build developed by LlabTooFer offers HTC's very own Sense 7.0 user interface on top of Marshmallow features, updated emojis and a slew of improvements.
HTC One M9 smartphones can now be updated to the much-awaited Android 6.0 Marshmallow upgrade using the Maximum HD 7.0.0 ROM crafted by well-known Android tipster and developer, LlabTooFer. The upgrade was first revealed by the developer on Twitter and was first released in Taiwan earlier today.
According to the LlabTooFer site, the Maximum HD 7.0.0 ROM will come with Android 6.0, Doze, permissions control, Google Now on Tap, Android 6.0.1 emojis support, stability improvements, camera improvements, battery improvements, major user interface changes, updated thermal profiles, updated OEM apps and several other tweaks.
Before installing it, make sure that the device is the M9u model. If it was last updated using the Maximum HD 6.0.0, the version number should be 3.35.401.12.
Also, free up space on the device since the ROM is 1.82 GB in size. Do not forget to back up necessary files here since the installation will wipe out all stored data. Additionally, enable USB debugging option on the device.
Maximum HD 7.0.0 ROM with version number 3.36.709.3 can be installed to HTC One M9 smartphones with the following steps:
1. Download the Maximum HD 7.0.0 Marshmallow ROM here and Google Apps package.
1. Copy downloaded files to the device using a cable.
2. Disconnect and turn off phone.
3. Turn the phone into recovery mode. If device is rooted, use Quick boot app to boot into recovery, or by pressing and holding the volume down and power buttons together for a few seconds.
4. Perform wipe data operations.
5. Return to the main recovery menu once wiping task is completed and select Install then Storage.
6. Go to downloaded file's location.
7. Select the file and swipe it to begin installing.
8. When installation is done, restart device.
Finally, please be reminded that custom updates will render warranty of the device void.
