Has it had a new screen fitted? Has it been dropped? Also go into settings and see if you can remove any saved ones and input them again. Might need a new fingerprint reader if all else fails or it might just need taken to bits and the sensor connection reseated.
Has it had a new screen fitted? Has it been dropped? Also go into settings and see if you can remove any saved ones and input them again. Might need a new fingerprint reader if all else fails or it might just need taken to bits and the sensor connection reseated.
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