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Help unseal battery Huawei HB4692Z9ECW-41 BQ40Z50

Romanov_d
(@romanov_d)
Active Member

Hello. H

1
2

elp unlock the battery after a full discharge. It hangs in the Locked status, the pinout is known, everything works on the new battery, it is unlocked, read, etc. Screenshots and firmware with a working battery are attached.

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Topic starter Posted : 30/06/2022 12:23 pm
torture
(@torture)
Member Moderator

According to the topic title you need help with unsealing the chip.

How did you read the eeprom if you could not unseal the chip?

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Posted : 30/06/2022 12:45 pm
Romanov_d
(@romanov_d)
Active Member

@torture The eeprom is read from the same working battery

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Topic starter Posted : 30/06/2022 1:11 pm
torture
(@torture)
Member Moderator

You didn't post unseal attempt screenshot.

 

1 - Go to reset tab 

2 - Choose BQ40ZXX family

3 - Read Chip Info

4 - Unseal

5 - Read Chip Info

6 - Post results

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Posted : 30/06/2022 4:20 pm
Romanov_d
(@romanov_d)
Active Member

@torture

3

 

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Topic starter Posted : 01/07/2022 9:06 am
torture
(@torture)
Member Moderator

Approved.

Contact Nicosur via WhatsApp for remote unseal attempt.

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Posted : 01/07/2022 12:33 pm
jorge.trombotto
(@jorge-trombotto)
Active Member Customer
Posted by: @romanov_d

Hello. H

1
2

elp unlock the battery after a full discharge. It hangs in the Locked status, the pinout is known, everything works on the new battery, it is unlocked, read, etc. Screenshots and firmware with a working battery are attached.

can you let me know the pinout please

thank you 

 

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Posted : 05/01/2023 4:54 pm
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