From the previous tutorial, we know that the step to install a custom ROM or leaked firmware on your Android device is simple and easy. Within few step, then you can completely flash the ROM into your Samsung Galaxy S3. The custom ROMs are oftentimes faster, more efficient, and use less memory. There have a lot of different UI, new features Galaxy S3 Custom ROM available download for free.
Yap…Samsung Odin tools is the only one tools that we use and show you how to use it to flash custom into your Galaxy S3. You only need install this application (Odin .exe) into your windows PC and connect your Galaxy S3 to the PC via USB. Then you can use the Odin Tools to flash kernel and ROM into Galaxy S3. Today, we share with you how to use Mobile Odin Pro to flash your firmware and custom ROM into Samsung Galaxy S3.
Why i need to use Mobile Odin Pro to flash firmware and custom ROM into Samsung Galaxy S3 ?
Odin only can use and runs on Windows OS, then i think you need Mobile Odin Pro if you are using pc that running Linux aor Apple Mac OS (MAC OS Mountain Lion)? Mobile Odin Pro is an alternative which uses the same protocol as Odin to interact with your Samsung Android devices, that can be used to flash Android ROMs or Kernels onto Samsung Galaxy S phones. You can flash full firmware straight from the device itself! Besides this, the EverRoot options on the Mobile Odin Pro allows you to root your firmware while it is being flashed. Yes, not need to root again the new flashed firmware!
Here is tutorial How to flash firmware into galaxy S3 via Mobile Odin Pro. This is example on how i flash (downgrade) firmware from Android 4.1.1 I9300XXDLH7 to Android 4.0.4 I9300DXLH1 into Samsung Galaxy S3 GTi9300.
Note: Mobile Odin Pro only support rooted Galaxy S3 (Link: Tutorial how to Root Galaxy S3). At the moment, Mobile Odin Pro version 3.10 support galaxy S3 model:
- Samsung Galaxy S3 GT-I9300T
- Samsung Galaxy S3 GT-I9308
- AT&T Galaxy S3 SGH-I747
- Canadia Galaxy S3 SGH-I747M
- TMOUS Galaxy S3 SGH-T999
- Sprint Galaxy S3 SPH-L710
- US Cellular Galaxy S3 SCH-R530
- VZW Galaxy S3 SCH-I535 (unlock bootloader !)
Step 1: Download Mobile Odin Pro from Google Play Store. Then install on your galaxy S3.
Step 2: Download the firmware Android 4.0.4 I9300DXLH1.zip and extract this file. You will get Android 4.0.4 I9300DXLH1.tar (.MD5) file. Put this tar file into your Galaxy S3 external storage.
Step 3: Open Mobile Odin Pro, then choose “Open File”. Now choose Android 4.0.4 I9300DXLH1.tar.md5 .
From the desktop ODIN you may be used to “PDA”, “PHONE”, and “CSC” buttons. All three of these buttons have been replaced by the “Open file …” button.
Step 4: For the Wipe data and Cache is optional option, You can tick to choose select if you want to wipe all the data. ( Remember backup all your data!)
Step 5: Now, choose the “Flash Firmware” to start the firmware flash.
Step 6: Your Galaxy S3 phone will boot into Mobile Odin Pro Recovery Mode. Now the process firmware is start, your phone will reboot once installation complete. (Note: If you are not choose wipe all the data, your phone may be will stuck at the Samsung Logo screen when reboot. Then you only need remove the battery, then boot into recovery Mode by press Volume Up + Home + Power button. In the recovery mode, you need to wipe data/factory reset.)
If you Galaxy S3 have any problem after flash new firmware, them you can Refer tutorial here on how to solve.