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How to Create a Forensic Backup of an Android Device with MDI

Posted by Richard T. Frawley on July 30, 2019
Richard T. Frawley
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Learn how to create a forensic backup of an Android smartphone or tablet with Mobile Device Investigator™ in this short How To video from ADF's Digital Forensic Specialist, Rich Frawley.

With the easy-to-use MDI, you can now quickly and easily collect evidence from Android and iOS phones and tablets.  The Mobile Device Investigator® software tool is designed to be operated by front line police, sheriffs, school resource officers, field agents, and investigators. Connect a suspect device via USB port to quickly collect evidence and perform an advanced logical acquisition.

Watch this 3-minute video to create a digital forensic backup using Mobile Device Investigator.

Backup Android Device

Mobile Device Investigator provides logical acquisition capabilities so to begin, you must first know the passcode to unlock the device. 

  • Place the device in airplane mode (If not already done)
Go to Settings to set the Auto-Lock to Never
  • Activate the developer mode (we do this by going to About Phone and tapping build 7 times)
  • Now that you are a developer go to System and Developer then

  • Prevent auto-locking

  • Activate the USB debugging mode

  • Authorize the execution of apps from unknown sources

  • When the device is connected, make sure the USB connection is set to transfer file

  • When connecting the phone to the computer, if prompted, allow USB debugging and select (always allow)

Select Add Phone

Select Android and then connect the phone to the computer when prompted. 

The wizard on the right-hand side of the MDI interface will guide you through the process and alert you to items that have not been completed, such as device drivers not installed, or debugging not turned on. The wizard will also guide you with instructions on what to do if certain criteria are not met.

Once the phone is selected you will see the Source, Destination, and Backup name. Remember the destination as you will need this to scan your backup later. Select Image and the backup process will commence.

Once finished you may disconnect the phone and proceed with a scan at a later time by  Selecting “Scan Android and iOS Devices” and “Add Phone Backup”

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Topics: Mobile Device Forensics, Mobile Triage Kits, Mobile Forensics, How To Video, Mobile Device Investigator, Android Forensics, Field Forensics

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