1. Assuming u guys are on android 10 unlocked bl. Downgrade to 10c using lg up.
2. Go to service menu, svc menu, handprint on.
3. Then imediately go to back to device test, saat, manual test, optical finger test, do the test. Press hard on fp till text turns green. Will say test failed. Still click yes.
4. Go to setting and fp starts working.
Thats it no restarts no nothing. You have fp in these few steps.
This is for LG G8x Indian Flipkart Big billion sale model.
To go into Service menu. open dialer and key *#546368#*850#
2. Go to service menu, svc menu, handprint on.
3. Then imediately go to back to device test, saat, manual test, optical finger test, do the test. Press hard on fp till text turns green. Will say test failed. Still click yes.
4. Go to setting and fp starts working.
Thats it no restarts no nothing. You have fp in these few steps.
This is for LG G8x Indian Flipkart Big billion sale model.
To go into Service menu. open dialer and key *#546368#*850#
