Hardware Hacking [question] old 3DS bricked(bootrom error)

[ttaeung0217000]

BOOTROM 8046
ERRCODE: 00F800EF
FFFFFFFF FFFFFFFF
00000024 00000000

a... um...


i soldered nand pinout tap
DAT0 CMD CLK (GND)
and i readed nand and turned on

and this error displayed
so i removed wires and soldering

but it doesn't work!

and i writed pure nand file

still same screen

i soldered resistors near tap but still doesn't work
my body freezed
i need help
(sorry i don't know english well)
(and this is first post..)

 

[ttaeung0217000]

Just buy another one and use a software mod. You removed a resistor? Why? How did you short your data line to ground?

i removed resistor to test data line
and soldered resistor
i don't know what is wrong pcb crack or cold soldering