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.

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Original key is PCF7937 and locked in VVDI2 Software.

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Direct connect VVDI PROG to key chip using PCF79XX Adapter.

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Select 2-MCU>>NXP-PCF79XX>>PCF7941_IN-CIRCUIT

Read Chip.

Chip is encrypted.

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Click “Reset Protect” to unlock data.

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Read again.

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Load new EEPROM data.

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Set protect again.

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Done! Key is unlocked.

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Credit to Electro Expert.

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