| | Description | Use Case | | ------------------------- | ------------------------------------------------------------------------------- | ------------------------------------------ | | Stock (carrier-locked) | Original IPTV firmware (China Telecom, China Mobile, etc.). | Recovery or restoring to original state. | | Modified stock | Debloated, root enabled, ADB turned on, but stock Android 4.4 UI. | Safe upgrade for IPTV usage with extras. | | Generic Android (AOSP) | Clean Android 4.4.2 / 5.1.1 launcher (e.g.,当贝桌面, ATV launcher). | Full freedom to install apps via USB/APK. | | OpenELEC / LibreELEC | Linux-based Kodi-only firmware (no Android). | Media center (requires specific eMMC/NAND)| | Custom Recovery | TWRP or CWM for EC6108V9 – allows backup, restore, zip flashing. | Advanced modifications. |

: Do not power off the device during this process, as it can cause permanent system damage. Method 2: Manual Flash (USB Burning Tool)