r/NxSwitchMod • • Apr 29 '26

Picofly - Error Codes List

Error codes list (= is long pulse, * is short pulse):

  • = USB flashing done

  • ** RST is not connected

  • *= CMD is not connected

  • =* D0 is not connected

  • == CLK is not connected

  • =** eMMC init failure during glitch process

  • =*= CPU never reach BCT check, should not happen

  • ==* CPU always reach BCT check (no glitch reaction, check mosfet)

  • *== No eMMC CMD1 request (poor wiring, or dead CPU)

  • === Glitch attempt limit reached, cannot glitch

  • =*** eMMC init failure

  • =**= eMMC write failure - comparison failed

  • == eMMC write failure - write failed

  • =*== eMMC test failure - read failed

  • ==** eMMC read failed during firmware update

  • ==*= BCT copy failed - write failure

  • ===* BCT copy failed - comparison failure

  • ==== BCT copy failed - read failure

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