Siemens Mmc Card Format Tool -
There is a niche community of industrial reverse engineers who have developed (use with extreme caution):
sudo dd if=/dev/zero of=/dev/sdb bs=1M count=1 sudo sync siemens mmc card format tool
A: Approximately 2–5 minutes for a 128MB MMC. If it takes more than 10 minutes, the card is likely physically damaged (worn out NAND cells). Siemens MMCs are rated for ~100,000 write cycles. There is a niche community of industrial reverse
You need one of the following: