REPRODUCIBILITY: 100% (experienced three times)
OS VERSION: 3.3.0.16 onward
HARDWARE: Sony Xperia X f5121
UI LANGUAGE: French or English
REGRESSION: Yes
DESCRIPTION:
After flashing/reflashing a “virgin” device, on reboot user is asked to scan fingers to save at least one fingerprint. Doing so produces no effect. No fingerprint saved.
PRECONDITIONS:
STEPS TO REPRODUCE:
- Factory reset
- Flash the device (SFOS >= 3.3.0.16) with device encryption
- Reboot
EXPECTED RESULT:
During first reboot, user scans a finger and saves her/his fingerprint.
ACTUAL RESULT:
During first reboot, user scans a finger but no fingerprint is read.
MODIFICATIONS:
“Virgin” device (zero setting, zero app, zero patch)
ADDITIONAL INFORMATION:
This problem can be avoided if the device is NOT encrypted (SFOS3.2 Nuuksio or earlier), then upgraded to newer stop releases without activation of device encryption.