Custom recovery and Rooting Galaxy S3 NEO GT i9300i

Custom recovery and Rooting Galaxy S3 NEO GT i9300i

This is a working guide of rooting Galaxy S3 Neo GT-I9300I. Most of the rooting guides are not working but here I am going to introduce a process which will really work for you.

Installing custom ROM requires a custom recovery to be installed on your device, which may VOID your warranty and may delete all your data.
before proceeding you may consider backup your all data.
Please visit the Disclaimer page below to agree with the risks involved and proceed before flashing this ROM to your phone:
ROM Disclaimer link

Before proceeding to root your device if you want to take a backup of your current data then please follow the link for how to backup all the data on your android device:
Step by step guide to take full backup of your phone data

Please make sure that you have the following things in hand to start the Rooting Galaxy S3 NEO process:
Samsung Galaxy S3 Neo phone drivers
Custom recovery file for rooting Galaxy S3 NEO i9300i
Flashable ROOTing zip file
Samsung ODIN flasher application
– At least 60 percent or more battery charge

If you are on Android KitKat 4.4.4 then you need the following recovery:
TWRP recovery file for rooting Galaxy S3 NEO GT i9300i on Android KitKat

STEP by STEP working guide of ROOTing Galaxy S3 Neo GT-i9300i:

The complete process will be split into two things as following:
– Installing the CWM based custom recovery
– Installing the ROOT package using the CWM custom recovery

Make sure that you have already downloaded all of the above mentioned files and done the following things:
Installed the driver for your phone
Installed the ODIN application on your PC before proceeding further


Please close the KIES application if it is running in the background.
It may prevent the ODIN application to ROOT your device successfully.

Installing the CWM based custom recovery:


Put your phone into download mode.

Press and hold these three buttons until you see a WARNING SCREEN! to enter into the download mode:
Volume DOWN keys + Power key + Home key

When you see the WARNING SCREEN press the volume UP key to continue into the recovery mode.


Open the ODIN application on your PC.
Connect your phone(while it is still in the download mode) to the PC using a USB cable.
ODIN will show an Added! message on the message box.


[Device added on the ODIN screen]


Click on the AP button on the ODIN application and select the i9300i-cwm- file.

For users on Android KitKat 4.4.4 they have to use the TWRP recovery instead of the CWM recovery.


[Click on the AP button and select the CWM recovery file]


Select the appropriate options before flashing the recovery image.
only the Auto Reboot and F. Reset Time
Make sure all other boxes are un-checked.


[Select the options]


Select the start button, which will start the flashing process.
When you get the PASS message, then your phone will reboot automatically.


[Click on Start and wait till it completes]

You may disconnect your phone and proceed for the next process

Installing the ROOT package using the CWM custom recovery:

Rooting guide will only work after the custom recovery installation.
If you will SKIP the custom recovery installation process and perform only these steps then rooting will not be done.


Copy the Flashable ROOTing zip file that you have downloaded to your SD card.


Press and hold these three buttons until you see a WARNING SCREEN! to enter into the recovery mode:
Volume UP key + Power key + Home key

When you see the WARNING SCREEN press the volume UP key to continue into the recovery mode.


Select the Install Zip from Sdcard option in the CWM recovery screen.
Select the zip file where you have kept in the SD card.
Now reboot your phone.

After successfully completing all the above mentioned steps your device will be rooted. If you have any concerns then just leave a comment in comments box.

Stay tuned to get the latest info and some more how to do guides and Galaxy S3 NEO custom ROMs.

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About author

siba 698 posts

A B.Tech degree holder with more than 5 years of experience on Embedded Systems design domain. He has worked on Aerospace domain, NAND storage, Server storage and Wireless networking.

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    • Tony Stark
      November 05, 04:48

      Thanks for the easy step by step guide to root a Samsung Galaxy S3. I was in desperate need to root my Samsung Galaxy S3 and unlock it. This guide helped me to root my device easily. I got the unlock code for my cell phone from at affordable cost. I also got the free unlocking guide from It was also very useful for me.

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