Some updated ROMs require a matching firmware version. If the updater script gives an error (e.g., "wrong firmware version"):
The last official stock ROM update for the HTC One M8 reached . While manufacturer support has long since ended, current reports from late 2024 and early 2025 indicate the device remains functional for basic tasks and can be updated to much newer software versions like Android 14 through custom community developments. Official Stock ROM Status htc one m8 stock rom updated
: Released for unlocked models in early 2015, this update brought Google's "Material Design" philosophy to the M8. It introduced lock screen notifications and a redesigned card-based multitasking view. However, some users reported performance dips, including lag during heavy gaming and occasional forced reboots. Some updated ROMs require a matching firmware version