If you cannot flash the RUU, you may need to achieve S-OFF to change your CID to match a generic RUU.
Eliminates bugs caused by custom ROMs or outdated software. Performance:
| Version | Android OS | HTC Sense | Release Date (Approx) | Key Changes | | :--- | :--- | :--- | :--- | :--- | | | 4.4.2 KitKat | 6.0 | March 2014 | Original launch ROM. BlinkFeed, Duo Camera, BoomSound. | | 2.x | 4.4.3/4.4.4 KitKat | 6.0 | Late 2014 | Minor bug fixes, camera improvements, security patches. | | 3.x | 5.0.1 / 5.0.2 Lollipop | 6.0 | Early 2015 | Material Design, lock screen notifications, improved battery. | | 4.x | 5.0.2 Lollipop | 6.0 | Mid 2015 | Stagefright fix, performance tuning. | | 6.x | 6.0 Marshmallow | 7.0 | Jan–Mar 2016 | Final major update. Now on Tap, Doze mode, SD card as internal storage, permission manager. | | 6.12.x | 6.0 Marshmallow | 7.0 | Late 2016 / Early 2017 | Last known security patches (varies by region/carrier). |
Flashing a stock ROM means reinstalling the official operating system that came with the phone from the factory (HTC Sense over Android). Users typically revert to stock for several key reasons:
If you cannot flash the RUU, you may need to achieve S-OFF to change your CID to match a generic RUU.
Eliminates bugs caused by custom ROMs or outdated software. Performance: htc one m8 stock rom updated
| Version | Android OS | HTC Sense | Release Date (Approx) | Key Changes | | :--- | :--- | :--- | :--- | :--- | | | 4.4.2 KitKat | 6.0 | March 2014 | Original launch ROM. BlinkFeed, Duo Camera, BoomSound. | | 2.x | 4.4.3/4.4.4 KitKat | 6.0 | Late 2014 | Minor bug fixes, camera improvements, security patches. | | 3.x | 5.0.1 / 5.0.2 Lollipop | 6.0 | Early 2015 | Material Design, lock screen notifications, improved battery. | | 4.x | 5.0.2 Lollipop | 6.0 | Mid 2015 | Stagefright fix, performance tuning. | | 6.x | 6.0 Marshmallow | 7.0 | Jan–Mar 2016 | Final major update. Now on Tap, Doze mode, SD card as internal storage, permission manager. | | 6.12.x | 6.0 Marshmallow | 7.0 | Late 2016 / Early 2017 | Last known security patches (varies by region/carrier). | If you cannot flash the RUU, you may
Flashing a stock ROM means reinstalling the official operating system that came with the phone from the factory (HTC Sense over Android). Users typically revert to stock for several key reasons: BlinkFeed, Duo Camera, BoomSound