After a long wait, finally we have the official Android 4.1.2 firmware for Galaxy S3 GT-I9300 Free factory, it may already be installed manually using Odin in Spain and Latin America and that comes with the expected Premium Suite, and the bug patch Exynos chip and sudden death.
The official firmware for your country you can search SamMobile.com / firmware as I9300 where in the list of results you can watch the Android version, release date, Baseband and CSC, can be used as a diary and firmware now it is available at:
Spain, Argentina, Peru, Dominican Republic, Panama, and is expected to gradually reach the entire region.
Let’s start with the latest official firmware:
Details of the official Android 4.1.2 firmware I9300XXEMD2:
Base Firmware: I9300XXEMD2 (Android 4.1.2)
Build Date: 12 April 2013
Change List: 1071725
Download | I9300XXEMD2_I9300OXXEMD1_I9300XXEMC2_XEO.zip
The big question?
All Android 4.1.2 firmwares released in January for Free Galaxy S3 come with the Exynos bug patch and Sudden Death, but it is advisable that you have a custom kernel to be more protected and able to calmly wipes whether you go or not have root access, and the most recommended is Philz Touch Recovery Kernel that is the end of this tutorial.
How to install Android 4.1.2 firmware on your Galaxy S3:
This firmware if you increase the update counter so you have to reset to zero with the app triangle away in case you need to take it to the warranty.
Run Odin3 v3.04.
Reboot your Galaxy S3 download mode (Home + power + vol down)
Connect your smartphone to your PC and Odin will turn a yellow or blue.
Brand PDA field and places the file. Tar.md5 downloaded firmware.
You must make sure that Re-Partition field no such marking.
Star Click and wait for it to install the new firmware Jelly Bean on your Galaxy S3.
Reboot and you will have Android 4.1.2 on your Galaxy S3.
If your smartphone does not restart normally after about 5-10 minutes remains in the Samsung logo, you must remove the battery from your smartphone, replacing it and turn it into recovery mode: Vol + + Home + Power and do a wipe data and wipe cache, this process will erase your data from your device.
How to install a kernel safe and rooting any Android firmware 4.1.2 Jelly Bean:
What can you do with Touch v5.00.5 Philz CWM 220.127.116.11 Enhanced Touch-exFAT-root
First we will install the kernel Philz Touch v5.00.5:
By Odin | philz_touch_5.00.5-i9300.tar.md5.
Recovery by | philz_touch_5.00.5-i9300.zip.
Install by Odin:
Put your Galaxy S3 download mode, run Odin, sync your Galaxy S3 via USB and select the file philz_touch_5.00.5-i9300.tar.md5 PDA field, make sure the Re-Partition field no such marking, and click Star .
Install the Recovery:
Download and save to the microSD card of your smartphone file: philz_touch_5.00.5-i9300.zip.
Reboot into stock recovery mode (volume up + home + power)
Select “install zip from SD”
Select the file and flash it philz_touch_5.00.5-i9300.zip
Your Galaxy S3 will Philz kernel v4.93.6.
That’s all you’ve installed a kernel secure your Galaxy S3.
We will gain root access:
Download and copy to SD card of your smartphone:
If you want root with Busybox | Root_SuperSU.0.98-Busybox.1.20.2-signed.zip (recommended).
If you just want root | Root_SuperSU.0.98.Only-signed.zip.
Turn off your Galaxy S3 and press Vol + + Home + Power and select install from SD Card and locate the file. Zip you go to flash only root or root with busybox, reboot your smartphone.
That’s all you will have root access on your Galaxy S3 with secure kernel that prevents sudden death and the Exynos chip bug.
Official Thread | Philz Touch Galaxy S3.
To remove the yellow triangle and the counter updates down to zero first you have root access and then use the application | Triangle Away v2.90.
Any questions or make it in the comments.