FP5 not booting after update to Android 15

Here’s a case summary I’ll try to maintain (or anyone else with Member status)
[Edit: 29/07/2025 – Since it has served its purpose this summary will no longer be updated. Thanks to all who contributed info. :slight_smile: ]

User Initial post # Had FrPt sensor pb Methods Phone operational
alexii93 1 yes Wiped phone (Factory reset) A14 Yes
Charlie_Baxter 2 Yes
Jzwuzxjeh 4 Yes Rolled back after 7 restarts Yes
Thymauthaie 9 Yes Used recovery mode (vol UP) to roll back to A14 Yes
ranosch 12
deterralba 13 Yes Rolled back after 7 restarts Yes
hermyx 22 Safe mode > unlock bootloader (unsuccessful)
Joseph_Thompson 26
kroonprins1 29 Yes Rolled back after 7 restarts Yes
adrium 30 Tried to change slot or install A15 manually (unsuccessful, data not recovered), flashed A14, in Recovery. Wants to avoid factory reset.
Sietse 32 Yes
Georg2 38 Yes Rolled back after 7 restarts, a second attempt gave the same result. Yes
MorayM 42 Yes Booted A15 after 7 restarts Yes
phairfaune 48 Yes Booted A15 after second restart and long power press Yes
ldjb 49 Yes Rolled back after 7 restarts Yes
FlyingDutchman91 52 Yes No rollback after multiple restarts. No
AndersKOlsson 62 Yes After initially booting into A15 after several attempts, the phone later crashed or turned off and no longer boots. No
sterni 63 Yes Rolled back after 7 restarts Yes
Shaun_Malloy 64 Yes Initially a successful upgrade to Android 15, but after rebooting unable to boot into A15, had to revert to A14. Yes
tim1 68 Yes Rolled back after 7 restarts Yes
chrischeu 69 Yes Rolled back after 7 restarts, a second attempt gave the same result. Yes
vs_991 71 Yes Rolled back after 7 restarts Yes
Sandruin 75 Yes Rolled back after 7 restarts Yes
litinvention 78 Yes Unclear No
mjceaser 82 Yes Rolled back after 7 restarts Yes
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