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Samsung Galaxy S3 Android update: latest news

Update: Marshmallow CM13 nightlies begin

Samsung Galaxy S3 owners with Sprint and AT&T have received an update to guard against the Stagefright exploit, but other major carriers are yet to issue a fix. Android Marshmallow will not officially be coming to the S3, but CyanogenMod 13, based on Marshmallow, is now available. Find out everything we know about the latest Samsung Galaxy S3 Android update below. 

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The Samsung Galaxy S3 won't be getting an official Marshmallow update. / © ANDROIDPIT

Android Marshmallow on the Samsung Galaxy S3

Samsung does not have any plans to bring Android Marshmallow to the Samsung Galaxy S3, which should come as no surprise, given that the device didn't receive Lollipop, either.

An unofficial Marshmallow ROM has appeared through the XDA Developers forum, but its stability is questionable and updates are uncertain. We would recommend using it with caution.

CyanogenMod has started releasing its first CyanogenMod 13 updates, based on Android Marshmallow, to the i9300 model of the Samsung Galaxy S3. These are nightly builds, which means they are experimental versions of the software and likely to be sluggish and buggy. If you're not an experienced user of ROMs, it is best to wait for a stable build to appear, which might well take some time. If you're desperate for some Marshmallow on your S3, however, then give it a whirl.

Android Lollipop on the Samsung Galaxy S3

While the Samsung Galaxy S3 remains stranded on Android KitKat across the board, an update for Sprint customers bearing a security path for the Stagefright exploit brings devices up to version L710TVPU0AOH1 and should have been received by all Galaxy S3 handsets now. If you haven't been prompted to update already, go to Settings > About Phone > Software update to download the patch.

Though AT&T issued a security update for the S3 on August 18, updates from the other major US networks are still to come. We don't have an ETA yet, but we will update this page when we learn more.

Samsung has officially ruled out the possibility of a Samsung Galaxy S3 Android Lollipop update via Twitter. It's no surprise, given that the Galaxy S3 is now three years old, but those of you who were expecting the Galaxy S3 update on Sprint, Verizon, AT&T or T-Mobile will be disappointed.

There is a custom version of Android Lollipop available for the Galaxy S3 (GT-I9300), however, which you can download now. 

How to install Android Lollipop on the Galaxy S3

Over at the XDA Developers forum, Android developers JustArchi and Moster2 have created a CyanogenMod 12.1 build based on Android 5.1.1 Lollipop for rooted Galaxy S3 (GT-I9300) owners.

It's a work in progress, but all of the major device features are up and running, including Lollipop additions such as the Material Design aesthetic and lock screen notifications. If you'd like to install it in its current state, check out the CyanogenMod Wiki entry for the GT-I9300.

We'll let you know about any other Galaxy S3 Android Lollipop developments as we get them. For now, if you just want to pretend your S3 has Lollipop, find out how to get Android 5.0 Lollipop apps, UI and features on your phone without root

Have you tried flashing a custom ROM on your Samsung Galaxy SIII? Let us know in the comments below. 



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  • Aamir Ayaz 11 months ago Link to comment

    I want lollipop version for samsung galaxy s3
    Please. give send me version 5.1

  • i have Samsung galaxy s3 AT&T and have android version 4.4.2 2015 and i want to lollipop version 5.0.2 for galaxy s3

  • i want to lollipop version for galaxy s3

  • I have GT-I9300 device . I am using jellybean 4.3 how can i get lollipop 5.1 can you please advice me :) ???

  • Where have to find updating file ?😕

  • I want lollipop version for samsung galaxy s3
    Please. give send me

  • Hi,

    I am new to Android platform - have been given an old S3 which I have managed to "soft brick" and fix thanks to lots of reading and you tube videos.
    I have 4.3 on phone .
    My problem is i cant get jbed to work - i get it installed but it stops working. I need to get a working version of Java and any working alternatives would be great.
    Also should i change to 4.4 and if so where is the best place to start. Could i still install java
    All help much appreciated from this android newbie - who is seriously considering replacing the iphone 5 with a android device!!!

  • Hi is there any updates for S3 I9301L?

  • I notice Android Phones will not up date on the OS like iPhone does on the iOS when it is just iPod for I still have my Samsung Galaxy S3 which don't up date no more since it just iPod like it did on my iPhone 4 after it was iPod since 2013

  • hey guys is it necessary to root my S3 before upgrading jelly bean to kitkat ??

  • hey guys is it necessary to root my S3 before upgrading jelly bean to kitkat ??

  • I have upgraded my Galaxy S3 to CM12.1 Android 5.1.1. Everything seems to work correctly but I can't connect to a PC (Windows 10) through a USB lead. The PC recognises that the phone is connected and tries loading the driver, but Device Manager reports it under Universal Serial Bus Controllers as "Unknown USB Device (Set Address Failed)". Any ideas?

    • Download Samsung keys on your computer it should have all the necessary drivers. Try changing to a different USB cable, the stock one works best if it is in good repair. Are you connected to a USB 2.0? Try to connect to a different port with USB 2.0 support.

    • Right via Kies app.,,goodluvk

  • Hi, I have installed android on my S3 i9300 and everything was working fine but bluetooth. Didnt worked. So I have to reinstall the original rom. It connected to my car but the sound was horrible. Anyone with the same problem?

    • I do have the same problem on my Galaxy S3 with the CM 11 Rom installed. To solve this, I need to switch my network from 3G to 2G.
      Hope this will do the trick for you also.

      • So, you have installed android 4.4 kitkat and to solve the problem with bluetooth not working you switch the network from 3G to 2G?
        So you will get less speed on internet but bluetooth working properly?

  • i have it installed with galaxy s3 running 5.1 for the last month it works good!

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