S9 update to 4.0

[Manoj]

@Nico1

I get a warning that my phone will have to be factory reset in order to apply the update

@Manoj

(Devices marked with an ‘*’ have an issue with FDE encryption which requires format before the OS can be upgraded. This essential means there would be data loss. If we are able to build a A15 build for these devices, the user will have to manual install it and that would require first taking a backup of all data.)

Yes, it means you will have to factory reset your phone to get that update.