Infamous primary user issue

Oct 7, 2025
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I have a Seat Leon and am encountering the infamous 'Please wait...' screen while trying to become the primary user. This is preventing me from updating the software and using the Seat app on my phone. I have asked my local dealer and they are charging an extortionate amount to 'diagnose' it (£140). Is this something the dealer can fix and if not what am I supposed to do? Located in the Brighton area.

The software versions are as follows:
Hardware: H56
Software: 1896
Display unit/control panel hardware: H37
Display unit/control panel software: 3074
Navigation database: 19.7
Media codec: 3.1.4
Radio database: 1.30.30

Many thanks