→Read the “ Important“ section carefully. How To Manually Install / Flash Htc One M8 Official Marshmallow Flashable OTA Update ZIP File Download Htc One M8 Official Marshmallow Flashable OTA Update ZIP File
→ Make sure you have stock recovery.If you are using custom recovery like TWRP just flash back the stock one.You can flash this Official Marshmallow Via Stock recovery Only. → This Update is Only For global One M8, unlocked edition.So don’t try on other variants. will not be held responsible for any kind of damage occurred to your Htc One M8 while following this tutorial.Do it at your own risk.
