Is it not possible to recover it with low level formatting? There were 4 mcs dead, they all stopped shortly after formatting with mc annihilator and installing funtuna. The power supply of the mc ports on the ps2 slim 90000 is good.

Card is dead, give it a rest. Buy new one for 2$ and be happy.

help format mc ps2 with mca cli
 

Please I need help to format 4 MC that are not recognized in PS2, ulaunchelf, mca 2.0 using radshell 0.6v and mca 1.0 cli and USB keyboard the mca cli file I renamed to mca.elf and the file is in the root of the pendrive but I saw this error and could not progress:
mc in slot0
https://ibb.co/bz1DCD4

https://ibb.co/bz1DCD4