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3 votes
0 answers
42 views

How to patch bootstrap in NAND flash?

I read the layout or my NAND flash and saw that in the beginning of flash there is a bootstrap the the CPU load. That flash has ECC I read/write that flash. How can I analyze the bootstrap and change ...
Kokomelom's user avatar
  • 281
2 votes
0 answers
170 views

Edit Squashfs filesystem in flash memory

I have read Flash memory and analyze with binwalk and find out Squashfs that I can extract with dd and open with unsquashfs . When I open this FS I want to add some file into this FS and edit some ...
yfr24493AzzrggAcom's user avatar
4 votes
0 answers
909 views

How to extract sound file from a small 1MB binary

I have a bluetooth speaker which announces interface events like "connected", "powering off". I want to silence these announcements. The way I thought of doing this is to get at ...
Capstone's user avatar
  • 143
0 votes
1 answer
337 views

Detecting and reading embedded filesystems on desktop Linux

I have some data from a NAND chip, dumped using the built in nanddump utility on the embedded device. This is the device information: https://openwrt.org/toh/bt/homehub_v5a The NAND chip is 128MiB ...
moo's user avatar
  • 111
1 vote
2 answers
1k views

Using NAND flash dump with OOB data

I have NAND flash memory dump, as a separate MTD partitions copied from NAND flash chip use built-in nanddump commands. I need to reflash some corrupted MTD partitions. In order to reflash partitions ...
minto's user avatar
  • 235
0 votes
1 answer
680 views

Wiring Flash Chip to Raspberry Pi

I'm trying to wire a Winbond W25Q128FV to my Rasberry Pi Model 1B so that I can dump the firmware. I'll be using an SOIC8 clip and probe cables. Here is what I'm thinking: Flash ----- rPi CS ----- ...
Dylan Leggio's user avatar