(RUU Download) HTC released 2.8.617.4 Android 5.1 RUU firmware file for One M9 Developer Edition

Jesse Han   2015.07.14 10:17   Jesse Han  

As a HTC One M9 Developer Edition user, you should know, HTC started 2.8.617.4 Android 5.1 Lollipop update via OTA early last week:

Now, there is a better updating way for your flash.

HTC has released full RUU firmware file for 2.8.617.4 Android 5.1 Lollipop update. To HTC users, what a great way to start the update!

Well, grab the file.

RUUs Download Directly

  • RUU_HIMA_UL_L51_SENSE70_ATT_MR_NA_Gen_Unlock_2.8.617.4_Radio_01.01_U11440601_76.03.50611G_F_release_439079_signed_2.exe

With 2.8.617.4 update, your phone will be got a lot of important improvements, like data performance, call drop, battery life, temperature management, and more.

So, if you have a HTC One M9 Developer Edition, and you can now simply update your phone to the latest Android 5.1 Lollipop firmware version by flashing RUU file. 

RUU Install