July 31, 2023
How VVDI PROG Unlock and Write Dump to PCF7937 Key?
In this article we are going to reset a PCF7937 key using VVDI PROG Software.

Original key is PCF7937 and locked in VVDI2 Software.

Direct connect VVDI PROG to key chip using PCF79XX Adapter.

Select 2-MCU>>NXP-PCF79XX>>PCF7941_IN-CIRCUIT
Read Chip.
Chip is encrypted.

Click "Reset Protect" to unlock data.

Read again.

Load new EEPROM data.

Set protect again.

Done! Key is unlocked.

Posted by: xhorsevvdi at
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