Failing upgrades since weeks @ 3 different types of sonoff gear

Retried a1000 times

update progress always stops at exact 90%

staff is informed via app feedback (aka support ticket)

post only standard advice a la PLEASE REBOOT YOUR COMPUTER :face_with_symbols_over_mouth:

but sure I tried what they recommended, still the same

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in the meantime MOST S20 plugs did the update, but the 2 Minis still stop @ 90 %