It's subtle, but there is some improvement here: The new image looks a little lighter and less muddied than the original. Original M9 image on top post-update image on bottom. Let's check things out (and as usual, click on any image to view it in full resolution): But even with that caveat, the comparisons can give us a general idea of the phone's updated imaging capability and how much it has - or hasn't - changed.

Now wait until the process completely and then Reboot the phone.Now, keep in mind that the new photos were obviously taken on a different day than the originals - so lighting and other conditions (and even my exact positioning and framing) aren't identical.

Now flash the RUU ZIP file on HTC One A9 with the command given below.

If you see dead Android with an exclamation mark, then hold the Power button and press Volume Up.

In download mode, use the Vol Up and Vol Down buttons to navigate up and down and Power to confirm.

Press and hold Power + Vol Down at the same time.

or use manual command to boot HTC One A9 into Recovery Mode.

Now Connect your phone to Laptop/PC and boot your HTC One A9 into bootloader mode by using below command.

Download the Nougat RUU zip for HTC One M9 from above Copy ROM to a folder where adb installed.

Download ADB and fastboot driver for windows or ADB and Fastboot for Mac and install it on your PC.

To enable Developer Options, go to About phone and tap the Build Number 7 times.

Enable ‘USB debugging’ option from setting>developer option>.

How to Update HTC One M9 to Android Nougat Manually

Full Nougat RUU file for HTC One M9 – Coming soon (Will be available Here).

Download Nougat OTA Zip for HTC One M9 v4.14.617.6– Official, Mirror (Can be flashed over v3.35.617.31).

Download OTA and Full Nougat RUU File for HTC One M9 Download Android 7.0 Nougat RUU file for HTC One M9 from below. Here we guide you to the full Nougat firmware for HTC One M9 with that you can update HTC One M9 to Android Nougat manually.

The latest Android 7.0 Nougat update for HTC One M9 packed with impressive Android Nougat features like Multiwindow, Doze, Improved Notifications, New Messaging Applications, Seamless update, Vulkan API, including with other features. Here we guide you the OTA zip and RUU file for HTC One M9 with that you can update HTC One M9 to Android 7.0 Nougat manually.Follow the below steps to Download Nougat zip For HTC One M9. And now Android Nougat update for HTC One M9 is also available. Many devices including Moto G4 Plus, Huawei Mate 8, and Galaxy S7 Edge these all devices are already having the latest Android Nougat update.

Htc one m9 software update 3.39.531.31