If you are not happy with your old ROM and looking for Android Nougat based custom ROM for your Galaxy S3 then you are at right place. The crdroid team has released the latest custom firmware which is based on Android 7.1.2 Nougat. crDroid is the best custom ROM and providing the stability and performance for your Galaxy S3 I9300. Now you can test the latest Android 7.1.2 Nougat OS experience on your old device. This latest custom ROM comes with all the official features from Android 7.1.2 Nougat and also brings some aftermarket features through which you can play and modify your device. Also, this custom firmware allows to change clock styles even in the notification bar, a lot of customization settings, and enhance system speed etc. This ROM is not officially announced by Samsung but just a custom ROM. Your device must be rooted and installed with the latest version of a custom recovery like TWRP or ClockwordMod (CWM). crDroid custom ROM required a custom recovery in order to flash the ROM on your Galaxy S3.
By following this step by step guide, you can install crDroid Android 7.1.2 Nougat custom ROM on your Galaxy S3. This amazing custom ROM is packed with many new features and improvements for your Galaxy S3. Also, the Android 7.1.2 Nougat firmware is stable, fast and smoothly run on your device. Before proceeding, don’t forget to take a full backup of all your valuable data. If you are interested in updating your Galaxy S3 I9300 to crDroid Android 7.1.2 Nougat custom ROM then go ahead and follow the given steps.
The crDroid Android 7.1.2 custom ROM and instructions given in this guide can be used only for the Galaxy S3. Check the model number of your Galaxy S3 from Settings > About Phone.
- Create a proper backup of all your existing data and settings on the phone before moving on to the installation guide using a recommended custom recovery.
- Enable USB Debugging Mode on the Galaxy S3 by navigating to Settings > Developer Options.
- Verify that you’ve correctly installed the Galaxy S3 USB Drivers
- The Galaxy S3 should be rooted with the latest version of the custom recovery like CWM or TWRP installed.
- The bootloader of your S3 must be unlocked.
- Make sure that the battery level of the Galaxy S3 is at least above 80% before going ahead.
Steps to Install Android 7.1.2 crDroid Nougat Custom ROM on Galaxy S3 I9300:
Step No 1: – First, download crDroidS Android 7.1.2 custom ROM for Galaxy S3 on the desktop of the PC.
Step No 2: – Plug your device to the PC using its USB data cable and mount its USB memory storage.
Step No 3: – Transfer crDroid Android 7.1.2 ROM .zip file which you’ve already downloaded from the above link to the root folder of your SD card on the phone.
Step No 4: – Unplug the Galaxy S3 from the PC and power it OFF to boot into Recovery Mode.
Step No 5: – Power ON the device while pressing and holding Volume Up + Home + Power buttons at the same time to enter into Recovery Mode.
Step No 6: – While your device is now in CWM Recovery, perform wipe data/factory reset, wipe cache partition and wipe dalvik cache also by navigating to Advanced > Wipe Dalvik Cache.
Note: – wipe dalvik cache will help you to prevent boot loops and other errors during ROM installation.
Step No 7: – Go back to the main Recovery Menu and choose to install zip from SD card → choose zip from sd card.
Step No 8: – Navigate to the crDroid Android 7.1.2 custom ROM .zip file which you’ve already transferred to the SD card of your device previously. Select the ROM .zip file using the Power button and confirm the installation to begin.
9: – Navigate to +++++Go Back+++++ once the installation is completed. From Recovery Menu, reboot your device by selecting reboot system now.
Your Galaxy S3 will be reset and may take about 4 to 5 minutes to boot for the first time after installation.
Done! You’ve successfully updated Galaxy S3 I9300 to the latest crDroid Android 7.1.2 ROM.