You are attempting to flash a custom firmware over a locked stock recovery that requires official digital signatures, or the file is corrupted.
在开始前，你需要确保以下几项准备就绪：
Look for a modified firmware specifically patched for your existing bootloader version, or utilize hardware short-circuiting methods (TTL/Serial flashing) if you are an advanced user. 2. The Box is Stuck on the Boot Logo (Bootloop)
Keep holding/pressing until the green Android recovery screen or the operator upgrade interface appears on your TV screen. Step 4: Execute the Upgrade
: Once the PC detects the device (usually appearing as "Connect Success"), click in the burning tool. Completion
Issue 1: "Footer Wrong" or "Signature Verification Failed" Error
最常见的就是刷错了固件，比如把非高安版的包刷到了高安版机子上，或者固件版本与硬件不匹配。其次是刷机过程中意外中断，比如 U 盘突然松动、突然断电。检查每一步，确保固件与设备版本完全匹配，是救砖成功的关键。
Updating the firmware of your is essential for maintaining system stability, improving video playback smoothness, and ensuring compatibility with the latest streaming standards . This high-performance set-top box (STB) is powered by a quad-core Hisilicon Hi3798M chip and supports 4K H.265 ultra-high-definition decoding. Methods for Firmware Update