Today I have found IMPORTANT information for all of us who are using unlocked CN Xiaomi 13 Ultra flashed with a Global ROM.If you decide for some STRANGE reason to LOCK your phone back you definitely will BRICK it. This problem actually is a VERY serious one, be careful what you do!I red about the same problem in a 2 different forums reported from different peoples.Because of the XDA external links policy I'm not linking the both different forum threads I read about this problem.As...Read more