Unlocking The Screen Of An LG Android Smartphone With AT Modem Commands

by Oleg Davydov, CTO, Oxygen Forensics

Modern smartphones are much more than just a device for voice calls. Now they contain a lot of personal data – contact list, communication history, photos, videos, Geo tags etc. Most smartphones can also work as a modem.

Almost every modem is Hayes-compatible which means it supports commands of the AT language developed in 1977 by Hayes. Every model supports some basic set of commands which is defined by the manufacturer. Sometimes this set can be extended and can contain very interesting commands.

Let us study behavior of an LG smartphone. When you connect it to the computer by USB you get access to the modem automatically (pic. 1). What is peculiar for LG is that the modem is available even if the phone’s screen is locked.

Read More


Get The Latest DFIR News

Join the Forensic Focus newsletter for the best DFIR articles in your inbox every month.


Unsubscribe any time. We respect your privacy - read our privacy policy.

Leave a Comment

Latest Videos

Using The Maps Activity Matrix In Oxygen Forensic® Detective

Forensic Focus 15th September 2023 5:47 pm

This error message is only visible to WordPress admins

Important: No API Key Entered.

Many features are not available without adding an API Key. Please go to the YouTube Feed settings page to add an API key after following these instructions.

Latest Articles