With Cellebrite UFED, there is a simple and correct way to perform a BFU (Before First Unlock) file extraction of an iOS device using checkm8.

Following the instructions listed on UFED, ensure the device is in DFU mode before continuing. When you are prompted to enter the source device password, if you do not know it, choose “Cancel.”

A new screen will appear where you will need to choose to run the BFU dump. Continue with the extraction to complete the BFU data collection using checkm8.

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