(RUU Download) ATT One M9 2.6.502.16 Android 5.1 Lollipop update is starting

Jesse Han   2015.07.20 17:22   Jesse Han  

After Sprint variant and Developer Edition:

ATT is starting to push Android 5.1 Lollipop update to its HTC One M9.

Well, if your have an ATT HTC One M9, the new Android 5.1 Lollipop is hitting your phone. The update comes with a new build number 2.6.502.16. And according to the ATT, the new update provides two key enhancements:

  • Android 5.1 Lollipop
  • Device protection

As you know, the 2.6.502.16 update is rolling out via OTA. However, if you can’t receive an available OTA update notification, HTC is also post the full RUU firmware file, which is 2.25GB in size.

RUU Download Directly

  • RUU_HIMA_UL_L51_SENSE70_ATT_MR_Cingular_US_2.6.502.16_Radio_01.01_U11440601_72.02.50602A_F_release_438693_signed_2.exe

You know, with RUU, you don’t have to wait for ATT to push OTA for you.  

To RUU’s installation, this is really quite easy:

  • Ensure you have HTC Android USB Driver installed on your computer
  • Connect your phone to your computer. At this point, you need to use Windows computer, because the RUU file is .exe executable program file
  • You phone will be recognized by the computer
  • Once the phone is properly recognized on the computer, locate the RUU.exe file that you downloaded to launch the system update wizard

If your phone can’t be recognized, please boot your phone to Download Mode and fully restart RUU’s installation.

If you need, there is also a full guide for you.

RUU Install