Solution 1

Text files contain information such as:

• Vehicle details (make, model, engine, power, production year)
• ECU / component specifications (manufacturer, type, number)
• Technical notes related to the procedure

Photos may include:

• pinouts and connection diagrams
• ECU board and PCB close-ups

Files may include:

• original EEPROM / FLASH readouts
• modified ECU files with IMMO OFF applied

You can for example compare the changes between the files, notice the differences and replicate the modifications on your ECU. Every file is also downloadable.