Official LineageOS 17.1 for Fairphone 3/Fairphone 3+

[Alex.A]

AFAIK a migration zip was used for passing from 14.1 unofficial to official and 15.1 unofficial to official on FP2. See here:

@z3ntu

Migration zip for 14.1 testing to 14.1 official should still work hopefully.

@snevas

a. The new migration zip (SHA512 )

Edit: Typo