Sadly there have been a large number of complaints just like yours posted throughout the forums. It sounds as if these "repair" svc techs and customer svc techs make their pay by doing this, which sadly I can believe. I've got my Note 9, Galaxy s10 plus and my Note 8 scheduled for warranty reviews and svc work I cannot accomplish with proprietary software/tools so I'll keep you posted as to what happens, if something similar occurs that tells you and myself there be some shady stuff.
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