JC Dot Matrix Detection Module For phone pad Face Testing Repair.Support: X-11Pro Max Pad A12X Support to check if the face dot matrix is normal, and the functions like fuse,NTC disconnected, I2C disconnected, short circuit etc. Support dot matrix encrypted data read & backup, the burning function will be opened in future. Need Connect with 1000s to use repair the dot matrix face inaccurate positioning problem. The original chip encrypted data needs to be read.