But when it comes to HTC firmwares, you’ll not find any repository or a specific tool that can flash the firmware to your HTC One M8
HTC One (M8)
The HTC One (M8) is an Android or Windows smartphone manufactured and marketed by HTC. Following a number of leaks which occurred during the months prior, the device was officially unveiled in a press conference on March 25, 2014, and released the same day by Verizon Wireless a…
How to install stock ROM on Verizon One M8?
To install stock ROM on your Verizon One M8, you’ll have to download the ROM zip file compiled as RUU (ROM Update Utility) and flash it using a string of ADB and Fastboot commands. The RUU installation procedure is considered risky and though it has been tested successfully, we do not hold any responsibility.
Will the HTC One M8 get back to stock?
This round is time for the HTC One M8 to get back to stock. The process is somewhat complicated but if you carefully follow the rules everything will go fine. If you don’t follow the guide currently you might break your phone and even brick it, which will turn your M8 into a paperweight.
How do I update my HTC M9 to the latest ROM?
See in Settings>About Phone. Else, go for the full stock ROM from below. → Download | HTC Portal [For installation instructions, go to the M9 update link from above.] Warning: The contributors at AndroidSage won’t be liable for any damage to your device whatsoever. A full backup is highly recommended just in case anything goes wrong.
How to connect Verizon HTC One M8 to computer?
Connect your Verizon HTC One M8 to computer via USB. Move the mouse pointer to an empty space in the platform-tools folder and then press Shift key+Right click on the mouse. Select Open command window here option to launch cmd prompt.
Download Android 6.0 Marshmallow OTA for HTC One M8
Note: This update is for devices running on the v4.16.401.13 firmware only. Flash the v6.12.401.4 OTA only if you are on this firmware. See in Settings>About Phone. Else, go for the full stock ROM from below.
Install Official HTC One M8 Marshmallow OTA Update Using Stock Recovery
Step 1. Before you proceed, make sure you have installed the base update prior to Marshmallow. Take a look at the note above.
How to Install Official HTC One M8 Marshmallow OTA Update Using TWRP
1. Unlocked Bootloader is required in some cases. Most commonly for TWRP installation. If you have a custom recovery installed, then you can flash the OTA straight away. However, it’s recommended that you unlock the bootloader first or in HTC’s case, S-OFF.
Warning
The RUU installation procedure is considered risky and though it has been tested successfully, we do not hold any responsibility. The device is yours and so are the risks involved!
Preparations
Make sure your Verizon HTC One M8 is S-OFF’d. If you have not done this yet, you can easily S-OFF your VZW M8 using Firewater method (it has been discontinued).
Restore Verizon HTC One M8 to Stock
So you think you have made all the preparations mentioned above? Great! Now here are the instructions to restore Verizon HTC One M8 back to stock ROM.
Method 1
Download the RUU file and copy it the Android/sdk/platform-tools folder where ADB and Fastboot files are located. The location of this directory depends on where you have installed the Android SDK.
Method 2
If you find the Method 1 too complicated for you, we got a much easier way of installing the stock ROM back to your Verizon HTC One M8. The following method is also suitable for those who do not have access to a computer. However, the is one step when you might need a computer.
Warning!
Before to proceed with the steps to return the Sprint HTC One M8 back to stock, please be warned that the involving in such activities is considered risky. Though the procedure described below has been tested successfully for more than once, we do not endorse any responsibility for any kind of damage done to your phone.
Getting Prepared
If you want to follow Method 2 from below, S-OFF is required on your Sprint HTC One M8. If you have not done it yet, do it now using Firewater method.
Restore Sprint HTC One M8 to Stock
Download the RUU file from above and extract the zip on your computer.
How to get rid of the red exclamation point on HTC One?
Once you see the HTC One with a red exclamation point, hold down the volume up button and press the power button.
Can you return an HTC phone to stock?
Returning your device to stock, whether it is because you need to sell it or just want to receive OTAs again, is not always a simple process. Since HTC has released countless variations of both the M7 and M8 HTC One, it can be a pain in the ass finding the right files and tools to get your phone back to stock settings.
Does the M8 have a ROM?
Your M8 is now running a Sense-based firmware, but it is still not partitioned correctly to accept the stock Sense ROM files, so you'll need to boot into the stock recovery and factory reset your device storage. Make sure that HBOOT is highlighted in your bootloader menu, then press the power button.