mobile phone The password is still required for the maintenance of this type mobile phone system Software fault
If you brush other people's information mobile phone Fixed screen or unlimited restart occurs, or black screen does not start
You can try the information in this post because it comes from after-sales service and can repair all software faults
http://miui.help:66/BD /JIESUO
1. Install miflash drive
2. When the black screen is turned off, the mobile phone enters millet Assistant connected to computer
3. Use miflash to flash in the unlocking data, and then boot up!
Other online tutorials are useless. They are all about selling mutton.
Last time I helped my friend find the after-sales unlocking service and saw how he did it. I wrote down the general steps according to my impression.