The official Android 5.1 Lollipop update is now available for T-Mobile HTC One M9. The update brings the new and improved features of Lollipop and it comes with a build number of 2.7.531.6. The update is already on the roll and if still didn’t get it and are anxiously waiting for it then you can install the latest Lollipop update for T-Mobile HTC One M9 manually by following our detailed guide.
Make sure you have taken backup of your important data such as images, videos, emails, SMS and apps.
You have installed the HTC One M9 USB drivers on your PC.
Make sure you have enabled USB Debugging option on your device. You can enable the USB Debugging by going to Settings>Developer Options and check the USB Debugging option.
Make sure your device has more than 70 percent battery available. If not then you should charge it first.
How to Install Android 5.1 Lollipop 2.7.531.6 on T-Mobile HTC One M9
Download the Android 5.1 Lollipop update for T-Mobile HTC One M9.
Connect your device with PC using the USB cable.
Now, transfer the firmware to the root directory of your SD Card.
When placed, disconnect the device and turn it off in order to boot into recovery mode.
While you are in recovery mode, choose “Apply from Phone Storage” and select the zip file that you placed in the SD card.
Select the zip file and proceed with the installation process. Now, you need to wait a little. When completed, select “Reboot System Now”
That’s it. You have successfully installed the latest Android 5.1 Lollipop 2.7.531.6 on your T-Mobile HTC One M9.