Sp36811.5 Firmware Download !!better!! Here

If critical issues arise (e.g., watchdog resets every 30 seconds), rollback to SP36811.4 or SP36811.3:

After downloading SP36811.5_firmware.zip , extract it to a folder. Look for an .img file (the firmware image) and possibly a U-Boot.bin or recovery.img . Sp36811.5 Firmware Download