I have forgot local password - logging in thru the tplink ID password. I don't want to reset it because there's configurations in it. How do I reset local password, I am logging in thru the tplink ID

Archer AX72 v1.0 - unable to write files larger than 15MB into HDD connected to USB port I can create files, move small files, copy small files, but not files large than 15MB USB Setting I have tried