Have you tried the hold power down and hold volume up or down as you turn it on to boot. Then select reset or format the cache partition. You should be able to skip the Huawei Id and continue. You should then be able to put in after setup your Huawei id. It shouldn't be linked after it's been formatted from bios. On boot up. If it is the. Its Tutuapp9AppsShowbox using the items ID/serial number.