Fingerprint issue on a50s (a507FN) - Samsung Galaxy A50s Questions & Answers

So after replacing the motherboard of my a50s i cant use the fingerprint anymore. it says fingerprint sensor calibration needed. i found a way to enable to via downgrading it to android 10 or 9. but i cant because my binary version is 6. there is no android 10/9 stock firmware with binary 6. someone help me provide a android 9 custom rom or a rom where i can use the figerprint. i tried lisa v1 android 10 custom rom but the fingerprint dosent work there too

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Note 3 MTK FP not working

Hey Guys,
the fingerprint sensor of my redmi note 3 doesn't work anymore. I opened the phone yesterday but I have plugged the fingerprint sensor cable back in. It worked for 5 minutes after I put the phone back together, I just had to set a new fingerprint in the settings. But then suddently it stopped working. The strage thing is that when I want to set a new fingerprint I can tap 1 time and it gets recognized but I have to tap more than 1 time to save the fingerprint.
EDIT : Normally I use CM 12.1 by Sicmosh, I reinstalled CM 12.1 but still no function. Then I installed MIUI 8 latest China Developer Rom via MI Flash tool and it didn't work too.
Sorry for the complexe sentences and sorry for my english.
Hope anyone can help me.
What rom are you using? I had this problem once and it was because I had xposed on a cm12.1 rom
nomistune said:
What rom are you using? I had this problem once and it was because I had xposed on a cm12.1 rom
Click to expand...
Click to collapse
Oh sorry I forgot to write which roms I tried.
Normally I use CM 12.1 by Sicmosh, I reinstalled CM 12.1 but still no function. Then I installed MIUI 8 latest China Developer Rom via MI Flash tool and it didn't work.

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