Software Update: 3.A.0129.20210805 (unknown caller and zero brightness bugs)

[AnotherElk]

@anon9989719

However there is this notion that with a two slot boot partition or something along those lines the old version is now in the slot to be written to next time.

It’s actually most partitions which are doubled, userdata most prominently is not, so the user’s data stays the same regardless of the OS slot which gets booted.

@anon9989719

I’m sure I read somewhere how to switch slots but again work I imagine the majority of users do not even want to contemplate.

Seems that way.

Can update 3.A.0129.20210805 be rolled back by switching the OS slot?

Can somebody please check whether software update 3.A.0129.20210805 can be rolled back to the prior OS version before the update by switching the OS slot with fastboot? I’m not running Fairphone OS currently, so I wouldn’t know. For safety’s sake it would be better if somebody with confidence in their data backup and experience with the fastboot command would try this first. So, assuming the phone is in Fastboot Mode and fastboot is working: fastboot getvar current-slot … should result in a…