fingerprint sensor problem - Redmi K20 Pro / Xiaomi Mi 9T Pro Questions & Answe

hello,
i have mi 9t pro and i broke the device screen but replaced it with mi 9t screen not mi 9t pro
so i replaced super amoled with amoled and its work the only problem is the fingerprint sensor not working as expected
i can register a new finger but when when i try to unlock its read the fingerprint one of 4 times or more
so my question if i try to install mi 9t pro rom on mi 9t pro device is that work ?
thank you

niceda said:
hello,
i have mi 9t pro and i broke the device screen but replaced it with mi 9t screen not mi 9t pro
so i replaced super amoled with amoled and its work the only problem is the fingerprint sensor not working as expected
i can register a new finger but when when i try to unlock its read the fingerprint one of 4 times or more
so my question if i try to install mi 9t pro rom on mi 9t pro device is that work ?
thank you
Click to expand...
Click to collapse
You probably need to reset the previous fingerprint data (by deleting /data/system/package_cache or something - in the worst case by Factory reset)
But if I recall correctly, there were reports that some (cheap) replacement displays don't work well with MIUI 11 or something
(I didn't replace my display and did not have the problem - but I recall that I saw here or under Mi 9T some posts about issues with the replacement displays during the last year or so)

zgfg said:
You probably need to reset the previous fingerprint data (by deleting /data/system/package_cache or something - in the worst case by Factory reset)
But if I recall correctly, there were reports that some (cheap) replacement displays don't work well with MIUI 11 or something
(I didn't replace my display and did not have the problem - but I recall that I saw here or under Mi 9T some posts about issues with the replacement displays during the last year or so)
Click to expand...
Click to collapse
factory reset didn't work i'll try to downgrade
thanks you

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linhshadoa said:
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