Applicable to VIVO Xiaomi Huawei OPPO Lenovo Plus Samsung Optical Fingerprint Calibrator Off-screen fingerprint correction tools Huawei Mate30 series Nova5, Nova7 series, P30 series, common to many manufacturers OPPO, VIVO, Samsung, Xiaomi, etc. Support Huawei's Android 10, 11, Hongmeng, V40, etc., which can be completed in one minute, effectively solve the problems of fingerprint loss after restart, failure to enter normally, and failure to unlock normally.
Pay attention to those who have removed the machine, especially those who have changed the screen. Regardless of whether you have changed the original screen or the domestic screen, if the screen is not installed properly, there will be a high probability of failure in the last step of correction. After multiple failures, please reinstall the screen. If you have changed the domestic screen, you need to confirm whether there is a fingerprint module on the screen. If there is no fingerprint module on the screen, you cannot correct it!
