How to Downgrade JB to GB firmware on Galaxy S Advance GT-I9070

By | September 23, 2013

Every android lovers wish their device get updated to latest version because Samsung keep adding latest features to the latest firmwares.This is the one of the reason people are jump android 2.3 gingerbread to Android 4.1.2 JellyBean.Some devices not performing well on Android 4.1.2 it is a very large OS package compared to Android 2.3 this needed high resources this is not enough for low end device like Samsung galaxy s advance.We have getting a lot of queries regarding How to Downgrade JB to GB firmware on Galaxy S Advance GT-I9070 hence we have decided to write a tutorial for Downgrade JB to GB firmware on Galaxy S Advance .Downgrade JB to GB firmware most likely installing stock firmware but it may relay some problems like device keep restarting something like that.Here we are presenting How to Downgrade JB to GB firmware on Galaxy S Advance GT-I9070 be careful before you going to perform this tutorials to your device.Do not try this tutorials for Gakaxy S advance variants.



  • Don’t Do this for any Other Device,Specific device name is mentioned above
  • Read out carefully before you are going to perform any actions
  • AndroidLokam is not responsible for any damage to your device

Install Galaxy S Advance USB Driver

Before you going to connect your device with PC Should have Galaxy S Advance USB Driver,This USB Drivers are available in respective companies Official Pages.Without USB Driver the PC and Device cannot be connected so we recommend you to Install it.Here you can Download Galaxy S Advance USB Driver

Download Galaxy S Advance USB Driver Now

How to take Backup On Galaxy S Advance

After Installing USB Driver on your PC ,Just Come on to the Device.Installing Firmware or Updating your Phone might be loose data from the Device,so we have recommend you to take backup useful data using respective procedures and make sure that backup before you going to Install.Backup needs to be individual applications are available in Google Play store.We can take Backup Call history,Contacts,Messages,Applications and APN Settings.

  • How to take Apps Backup Using application ? Click here
  • How to take Contacts Backup using Application ? Click Here
  • How to take Call History Backup using Application ? Click Here
  • How to take APN Settings Backup using Application ? Click Here
  • How to take Messages Backup using Application ? Click Here

If you are using Samsung Device we recommend to take backup using Samsung kie that can help to take complete backup from your device quickly.ClockWorkmode,WRP recovery can make complete user backup very quickly if you installed one of this in your device we strongly recommend to do this.


  1. Your Device Must have 80% of battery charge
  2. Custom ROM Installation may Void your Warranty
  3. Don’t try this tutorial if your device is locked by carriers
  4. Read complete procedures given By AL (Android Lokam)

How to Downgrade JB to GB firmware on Galaxy S Advance GT-I9070

1.Download the Android 2.3 Gingerbread Firmware package from Here and ODIN

2.Download Samsung USB Driver to your PC From Here

3.Install Samsung USB Driver to Your PC and Extract Android 2.3 GB 


Before you going to Install Be ensure that you kept backup all your data If don’t know about How to Take Backup your data Please got this link

4.Switched off your Phone and enable downloading mode

How to boot into Download Mode -> Press Home button + Volume Down Button + Power button Together

5.Connect to PC via USB

6.Open ODIN from Android 4.2.2 Jelly bean  Firmware Package


  • Open PDA :- CODE_GT-I9070_I9070DXLD1_CL1068093_REV00_user_SEC_KEY_LD1_8G.tar.md5
  • Pit :GT-I9070_EUR_XX_8G.pit
  • Open CSC:-CSC_GT-I9070-MULTI-CSC-OLBLD1_SEC_KEY_8G.tar.md5

7.Click Start and download will be start and it may take few minutes after show Pass on ODIN Remove your Cable and wait for Reboot

If you have any query regarding this Installation please drop a comment on below we will answer your query asap


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SAJJAD VPM found his true love in tech-blogging. He enjoys learning, growing and discovering the newest and latest trends in the world of Android. He loves flashing ROMs, checking apps, trying themes and watching movies.

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