If you choose to erase the MAC address, you could end up doing more harm than good. They’ve tested it and made sure it works with that particular firmware upgrade.
This can “brick” the device and turn it into a really expensive paperweight. Never disconnect the power to your TV box while upgrading the firmware.Be sure you’ve got an Amlogic-based device first. Each chipset manufacturer will have their own way of doing things.
This process is specifically for Amlogic devices such as Cosycost android tv box.There are a few things to think about when updating your firmware manually.