Battery management chip unlocks the puzzle

colourpine

Battery management chip unlocks the puzzle [Copy link]

 

The main chip model in the laptop battery management module is bq20z95. I used the corresponding software to change the unlock password. The original two-level passwords were different. After changing the two-level passwords to the same password, I can no longer unlock it. I also lost the permission to flash the ROM. I asked many experts, and they all said that the only way to solve it is to replace the chip. I wonder if any expert can have a solution?

qwqwqw2088

Yes, if you set the same password for both the unseal and full access keys, the chip will be locked because it cannot recognize which password it is.

qwqwqw2088

Have you tried unlocking with the initial password 0414 3672?

bmahu001

Very good information, you can check it out;