So the GF dug out her old 3DS that has been 'lost' for a while. Booted it up and it was running 2.1!! Instantly grabbed the OPT and performed a sysnand backup at 2.1. What is now the best way to proceed to get this up to current firmware? Normally by this step of the OPT guide you have restored the original sysnand which would be 9.2.