To remove what? If words going to FRP, then
if ( as in your case ) phone bootloader is 2 or more, ONLY the ISP is your private solution, due to working loader about EDL operations is still missing ... Bit 5 can be Android 15 or latest update with bit 5 is Android 16... May be exist a mistake like
A14 -> A15 update - i wasn't test it - so you can try.