Sync 3 upgrade question

My mate has Ford Custom 2020 model and wish to upgrade to the 3.4 21265 version but he’s unsure about the version on his unit. I was wondering if this can be formatted and install the latest sync 3 version. It’s non navigation unit.

SYNC Region: Europe

Navigation Variant: No

Old SYNC Version: Unknown

New SYNC Version: F1.5.0.1

Do you have a error message, if so what is it?
Nothing has been downloaded yet

Update Method: Other

Syn3 Updater Version:

Syn3 Updater Documentation Read:

Syn3 Updater Log File

As per our documentation that is SYNC 2.5, it’s not possible to update it to SYNC 3.4

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