Also known as Galaxy S III (AT&T), d2att, Galaxy S III (Sprint), d2spr, Galaxy S III (T-Mobile), d2tmo, Galaxy S III (Verizon), d2vzw, Galaxy S III (International), i9300, Galaxy S III (LTE / International), i9305, samsung-m0, Samsung Galaxy S III LTE, samsung-m3, Samsung Galaxy S III (Verizon), samsung-d2vzw, Samsung Galaxy SIII (USA), samsung-i747m, samsung-m0-downstream
A free replacement firmware exists.
8 known ways to put open firmware or software on this device, easiest first. Each one links to the project's own instructions.
Needs a cable or the command line
No longer maintained: there are no official builds, the guide has you build LineageOS from source. Uses Samsung's Download mode; OEM unlock must be enabled in Developer options where the device has it. Installing wipes all data on the device: back it up first.
No install report yet. · Report how it went
Needs a cable or the command line
No longer maintained: there are no official builds, the guide has you build LineageOS from source. Uses Samsung's Download mode; OEM unlock must be enabled in Developer options where the device has it. Installing wipes all data on the device: back it up first.
No install report yet. · Report how it went
Needs a cable or the command line
No longer maintained: there are no official builds, the guide has you build LineageOS from source. Uses Samsung's Download mode; OEM unlock must be enabled in Developer options where the device has it. Installing wipes all data on the device: back it up first.
No install report yet. · Report how it went
Needs a cable or the command line
No longer maintained: there are no official builds, the guide has you build LineageOS from source. Uses Samsung's Download mode; OEM unlock must be enabled in Developer options where the device has it. Installing wipes all data on the device: back it up first.
No install report yet. · Report how it went
Needs a cable or the command line
No longer maintained: there are no official builds, the guide has you build LineageOS from source. Uses Samsung's Download mode; OEM unlock must be enabled in Developer options where the device has it. Installing wipes all data on the device: back it up first.
No install report yet. · Report how it went
Needs a cable or the command line
No longer maintained: there are no official builds, the guide has you build LineageOS from source. Uses Samsung's Download mode; OEM unlock must be enabled in Developer options where the device has it. Installing wipes all data on the device: back it up first.
No install report yet. · Report how it went
Needs a cable or the command line · Nura/postmarketOS
Uses Samsung's Download mode. Installing replaces the stock system: back up your data first.
No install report yet. · Report how it went
Needs a cable or the command line · Nura/postmarketOS
Uses Samsung's Download mode. Installing replaces the stock system: back up your data first. This is a testing port: what works varies, check the device page.
No install report yet. · Report how it went
OpenDeviceDB links to each project's own instructions and tools; nothing is flashed from this site. Flashing is at your own risk and may void the warranty.
No live claim. If you start working on this device, claim it so nobody duplicates your work.
No interface documented yet.
Not verified. A "verified on hardware" badge requires a replayable test (hardware-replay) run on a real device with a stated firmware version.
AI assistance not stated.
Status and claims as of the build date (2026-10-18). Data licensed CC BY-SA 4.0; imported data keeps its upstream license.