Do not panic. The "i---" state is often recoverable via a or a serial bootloader intervention .
Struggling with the "i--- Yeacomm P21 Firmware Update"? This 2,500-word guide covers how to identify your hardware version, download the correct bin file, perform a manual flash, and resolve the "stuck at boot" error. i--- Yeacomm P21 Firmware Update
If no transfer happens, try renaming the file to upgrade.bin or P21.bin . Some bootloaders expect a specific filename. Do not panic
Despite these impressive hardware specifications, the router is only as good as the code running on its chipset. This is where the firmware comes into play. download the correct bin file