Here is an Xhorse VVDI PROG review:
VAG Siemens Simos7.1 Immo Off Success
EEPROM: M93C86
Simple Guide:
Read/Write original/edited EEPROM by VVDI PROG.
Edit EEPROM data by Hex Workshop software.
Step 1. Read original data
De-solder M93C86 chip, and put it in VVDI PROG EEPROM socket.
On VVDI PROG software, select
“1-EEPROM&FLASH” “ST” “M93C86”.
Read and save original data.
Step 2. Edit data
Run Hex Workshop.
Change “94 00 94 00 94 00” into “31 31 31 31 31 31”.
Save edited data.
Step 3. Write new data
Load edited data file, and write it back to 93C86 chip.
Then IMMO OFF done!
Software you may get interested in,
VVDI PROG V5.1.7: https://mega.nz/file/BN8lQSIZ#kJ1H0c8huMsHa8F1TScJvXa37I2qx5-VJtSAv21Ws98
Hex Workshop V6.8.0:
https://download.cnet.com/Hex-Workshop/3000-2352_4-10004918.html?part=dl-HexWorksh&subj=dl&tag=button
Credit to hesham essam
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