Flash the stock firmware using Odin (download from Frija/SamFirm). That often restores ability to use the keyboard exploit.
[SOLVED] How to Unlock FRP on SAMSUNG Galaxy Tab A8 10.5 (SM-X200 / SM-X205) – Android 13/14
A: Yes, Method 1 (SamFW) works. Method 2 does not.
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