Galaxy S3 I9300

December 14, 2016
Galaxy-S3-Nougat-7.1-update.jpg

10min06

Galaxy S3 is an old and legendary Samsung model, but according to the statistics it’s still valued device among smartphones users. And if you have one, we’re happy to share some good news with you.
Unofficial Android Nougat 7.1 custom ROM has just been released for Galaxy S3, bringing this device into new life.
This is a stable CyanogenMod 14.1 custom ROM that includes tons of extra features, making Android device even more powerful.

Warning: This tutorial is only for Galaxy S3 I9300 model.
Update process will erase device internal storage, so it’s strongly recommended to backup your data to device microSD card or PC before starting this tutorial.

Prerequisites:

• The device should have at least 60% charge left on the battery.
• If you have Samsung Kies program in PC, Kies should be completely turned off to not disturb all the process.
• USB drivers must be installed on PC (if Kies are in PC then drivers are already installed).
• USB Debugging must be enabled on the device. To enable it go to Settings/About phone and keep taping on Build number until you see Developer mode has been turned on. After that go to Settings/Developer Options then check USB Debugging.

TWRP flash tutorial:

  1. Download Odin3 v3.10.7 to PC and extract it.
  2. Download TWRP recovery to PC.
  3. Turn off Galaxy S3 and boot into Download mode by pressing and holding down the Volume Down, Home and Power buttons together. When a warning screen is displayed release all buttons and press the Volume Up button to enter Download mode.
  4. Run Odin3-v3.10.7.exe as an Administrator and then connect Galaxy S3 to the PC via USB. Message showing Added!! will appear in Odin’s message box, if not, try another USB port. If the issue persists, try reinstalling the USB driver.
  5. Click on the AP button and select the TWRP Recovery (.tar file), which was downloaded in step 2. In Odin, make sure that the Auto Reboot and F. Reset Time options are checked while Re-Partition must stay unchecked. Odin3-set
  6. Click Start button in Odin to begin the process.
  7. After the process is complete, Galaxy S3 will restart and a PASS message with green background will appear in the left box at the top of Odin. Odin3-PASS
  8. Turn off Odin and unplug USB cable from device.
  9. Galaxy S3 will restart. First startup can take up to 5 minutes, so be patient.
    To boot into recovery menu: Turn off the device, then press and hold Volume Up + Power + Home button until recovery menu show up. TWRP 2.7 menu

Nougat 7.1 (CM 14.1) update tutorial:

  1. Download Nougat 7.1 (CM14.1) zip file to PC or straight to mobile device.
  2. Download Google Apps package to PC or straight to mobile device. Make sure ARM and 7.1 is selected before downloading.
  3. Place both files into device microSD card storage.
  4. Now boot Galaxy S3 into recovery: Turn off the device, then press and hold Volume Up + Power + Home button until recovery menu show up.
  5. Make a current software backup, so you will have a recovery file in case if something goes wrong. Tap on Backup and select all the partitions including System, Data, Boot and Cache. Then swipe to make a backup. TWRP backup
  6. After backup is done, go back to main menu and select Wipe, then choose Advanced Wipe and check System, Data, Cache and Dalvik Cache partitions. TWRP wipe
  7. Swipe and wait for the wiping process to complete.
  8. Next, go back to main menu and choose Install, then locate Nougat 7.1 (CM 14.1) zip file. 
  9. Tap on it and swipe to begin custom ROM installation process. TWRP install
  10. After installation is done, go back to main menu, choose Install and locate the Google Apps.zip file. Swipe to install it.
  11. After process is complete, go back to main menu and tap on Wipe, then choose Advanced Wipe.
  12. Check Cache and Dalvik Cache partitions, then swipe to confirm. After wiping is done, go back to main menu ant tap on Reboot to reboot Galaxy S3.
  13. First startup can take up to 15 minutes, so be patient.

Congratulations on successfully updating Galaxy S3 to Nougat 7.1 custom ROM!


April 15, 2016
Galaxy-S3-Marshmallow-1024x576.jpg

11min00

In 4th quarter of 2014 Galaxy S3 received last official update – KitKat 4.4.4. Since then, there was no official updates released and never will be. According to Samsung, the phone’s hardware configuration is not capable of receiving further Android support.
Well, CyanogenMod team somehow managed to make it happen! They created CyanogenMod 13 – the latest nonofficial Marshmallow 6.0.1 update for Galaxy S3 i9300.
We are proudly presenting this great news by giving away our tutorial. So go ahead and follow all the steps written below if you want to give another life for your Galaxy S3 i9300.

Warning: This tutorial is only for Galaxy S3 i9300 model.
Update process will erase device internal storage, so it’s strongly recommended to backup your data to device SD memory card or PC before starting this tutorial.

Prerequisites:

  • The device should have at least 80% charge left.
  • If you have Samsung Kies program in PC, Kies should be completely turned off to not disturb all the process.
  • USB drivers must be installed on PC (if Kies are in PC then drivers are already installed).
  • USB Debugging must be enabled on the device to transfer files between the phone and computer. To enable it go to Settings/About phone and keep taping on Build number until you see Developer mode has been turned on. After that go to Settings/Developer Options and mark USB Debugging.

 

Flashing Recovery tutorial (skip it if your device already have one):

  1. Download ODIN v3.10.7 tool to PC and unzip it.
  2. Download TWRP 3.0.2 recovery.img.tar to PC.
  3. Boot Galaxy in Download mode: Turn off the device, then press and hold Volume Down, Home and Power buttons, all at the same time, release the buttons only when the ‘Warning!!’ message appears. Press Volume Up button to confirm that you wish to enter Download Mode. Galaxy S3 Download mode
  4. Launch Odin and connect device via USB cable to your PC. Wait for Odin to recognize it. Blue box should then appear in the program. Odin-3.07-Device-Added
    In Odin, make sure that the Auto Reboot and F. Reset Time options are checked while Re-Partition must stay unchecked.
  5. Click on the AP button and select TWRP 3.0.2 recovery.img.tar file.
  6. Click Start button in Odin to begin TWRP recovery flash process.
  7. After the process is complete, Galaxy S3 will restart and a green PASS message will appear in the left box at the top. Odin3-PASS
  8. The phone will restart. First startup can take up to 5 minutes, so be patient.
    To boot in to recovery menu: Turn off the device, then press and hold Volume Up + Power + Home button until recovery menu show up.

Update to Marshmallow 6.0.1 tutorial:

  1. Download cm-13.0-20160413-NIGHTLY-i9300.zip to PC or straight to mobile device.
  2. Download Google Apps package to PC or straight to mobile device.
  3. Place both files in to device microSD card storage.
  4. Now boot Galaxy in to recovery: Turn off the device, then press and hold Volume Up + Power + Home button until recovery menu show up.
  5. Make a current software backup, so you will have a recovery file in case if everything goes wrong. Tap on Backup and select all the partitions including System, Data, Boot, Recovery, EFS and swipe right to backup.
  6. Now tap on Wipe then choose Advanced Wipe and check Dalvik Cache, System, Data, and Cache (don’t select Internal storage). Galaxy S3 TWRP wipe
  7. Swipe to confirm. Wait for the wiping process to complete.
  8. Next, go back to TWRP main menu and tap Install.
  9. Locate cm-13.0-20160413-NIGHTLY-i9300.zip file (which was placed in microSD card) and tap on it. Swipe to Install the ROM.
  10. Once the installation process is complete, go back to TWRP main menu, tap on Install and locate the Google Apps.zip file. Swipe to install the package.
  11. After process is complete, tap on Reboot.
  12. The phone will reboot. First startup can take up to 15 minutes, so be patient.
    If you have any concerns at startup, boot device back in to recovery menu and tap on Wipe then choose Advanced Wipe and check Dalvik Cache and Cache. Swipe to wipe and reboot Galaxy S3.

Congratulations on successfully updating Galaxy S3 to Marshmallow 6.0.1 (CyanogenMod 13)


August 9, 2015
Galaxy-S3-Rooted.jpg

7min00

This Root process wont erase device internal storage or information from SD memory card.
But it’s still strongly recommended to backup your data to device SD memory card or PC before starting this tutorial. In worst scenario, if device gets stuck on boot, it’s possible to lose everything that’s important for you.

Before we begin:
– The device should have at least 80% charge left on the battery.
– If you have Samsung Kies program in PC, Kies should be completely turned off to not disturb all the process.
USB drivers must be installed on PC (if Kies are in PC then drivers are already installed).
– Download ODIN tool to PC.
– Download CF-Auto-Root-m0-m0xx-gti9300.zip to PC and unzip it.
– USB Debugging must be enabled on the device to transfer files between the phone and computer. To enable it go to Settings/About phone and keep taping on Build number until you see Developer mode has been turned on. After that go to Settings/Developer Options and mark USB Debugging.

Note: This tutorial is only for Galaxy S3 i9300 model. We do not recommend to try this Root on any other device.

Tutorial:
1. Galaxy S3 must be turned off.
2. Boot Galaxy in Download mode: Press and hold Volume Down, Home and Power buttons, all at the same time, release the buttons only when the ‘Warning!!’ message appears. Press Volume Up button to confirm that you wish to enter Download Mode. Galaxy S3 Download mode
3. Launch Odin and connect device via USB cable to your PC. Wait for Odin to recognize it. Blue box should then appear in the program. Odin-3.07-Device-Added

4
. In Odin, make sure that the Auto Reboot and F. Reset Time options are checked while Re-Partition must stay unchecked. Odin3-set
5
. Click on the AP button and select CF-Auto-Root-m0-m0xx-gti9300.tar.md5 file which was unzipped.
6
. Click Start button in Odin to begin the update process.
7. After the process is complete, Galaxy S3 will restart and a green PASS message will appear in the left box at the top. Odin3-PASS
8
. The phone will restart. First startup can take up to 5 minutes, so be patient.
I
f you have any concerns at startup, perform a wipe data/factory reset in recovery mode (Volume Up + Power + Home button).
9.
Turn off Odin and unplug USB cable from device.

Congratulations on successfully rooting Galaxy S3 i9300.



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