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Fingerprint module (FGP) is fixed to the touch panel. If FGP can't detect /
no response:
1.
Check the FPC if there are any ripped area.
2.
Make sure CON3303 and FGP FPC contact well.
3.
Check CON3303 and make sure there are no defects (sunken pins,
cracks, SMT issues).
4.
Probe C3319.1 or C3317.1 to make sure FGP power VDD_2P85 has a
stable 2.85V.
5.
Swap a new FGP to assure the part is functional.
CON3303 SMT issues
Fingerprint issues - ASSY
FGP FPC ripped apart
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