
thank u , i have flash good the rp2040 before i start remove the button and usb but i think those button have no use after we flash , i'am asking here my question because i afraid any wrong thing can damage my nand at the end thank u againNo big deal as long as it works and you not plan to wipe rp2040 with that button

The latest pf v2.72 FW flashes yellow once after uf2 programmed, I guess you are having 2.5~2.67 FW.t
thank u , i have flash good the rp2040 before i start remove the button and usb but i think those button have no use after we flash , i'am asking here my question because i afraid any wrong thing can damage my nand at the end thank u again
i have flash it with fw_2.67.uf2The latest pf v2.72 FW flashes yellow once after uf2 programmed, I guess you are having 2.5~2.67 FW.
You could update the pfly FW from toolbox anyway, if you have 2.6x on rp2040 already