Update S2 with Android 4.3 using CyanFox firmware
Today, during this step by step guide I will teach you how you can install on the Samsung Galaxy S2 I9100 device a new custom ROM built on the Android 4.3 Jelly Bean OS. The custom ROM is named CyanFox and is one of the most stylish Holo themed customs ROM available for Samsung S2 device.
The new custom ROM comes with numerous new features, improvements, performances, new applications for Galaxy S2 device.
So, the following step by step guide is dedicated to teach you how to update the Samsung Galaxy S2 device to custom Android 4.3 Jelly Bean Operating System by using the CyanFox custom ROM.
In this moment there are no words about a upcoming official Android 4.3 Jelly Bean OTA release for Samsung Galaxy S2 I9100 model.
Whether Samsung will release or not the latest Android 4.3 for Galaxy S2 device you can flash this custom ROM without waiting the OTA release.
Of course,you need keep in your mind that isn’t a stock firmware, but the custom ROM comes with the latest features, capabilities and applications for all users who want to replace the stock Android experience.
In the presented guide,the CyanFox comes with tweak capabilities, the new possibility to upgrade the battery life, a better OS speed, a better customization at the level of SO, new optimization capability and new performances.
With the new firmware,you’ll receive a full list of animations, new Paranoid Halo notifications, advanced recent app RAM bar, App Piker and more.
So in order to learn how to install the new CyanFox to Galaxy S3 device you need follow the next sections.
Prerequisites,and guidelines to follow first:
  •  You’ll need a,computer to download the required files. In additional,you’ll need the USB cable for the Galaxy S2 device and the Galaxy S2 smartphone to be near of you.
  • Deactivate or uninstall al security tools from both PC and Galaxy S2 device, in rare cases these programs (Antivirus, Firmware, or Antimalware programs) can interfere with the flashing process and can interrupt the same.
  •  The manually installation of the new custom ROM will take a couple of minutes; that’s why is strongly recommended you charge the device’s battery. So, ensure that the device’s battery has more than 70 % power left.
  •  Next, you need to enable the USB Debugging mode from the next path: “settings -> applications -> development”.
  •  Root the Samsung Galaxy S2 model number I9100. The root access is required when it’s about the installation of a custom ROM. So, you cannot skip this step.
  • Also, a custom recovery image such as TWRP or CWM is required to be installed on the Galaxy S2 device. This step can be applied only if the root step from above has been applied. This step is a must apply; completing this step isn’t an option for you.
  • Backup all your important data, the installation process will wipe all the data stored on device’s internal memory.
  • Make a Nandroid backup for saving the actual ROM and save also the EFS folder.
  • The warranty for the Galaxy S2 device will get void, so you need to be an advanced user for applying an unofficial procedure like this. The warranty can be restored only if you’ll reinstall a stock firmware.
  • All the instructions and files listed here are provided only for educational and instructional purposing, so we (Android Source) team cannot be responsible or held liable if something bad is happening with your handset if you’ll apply this guide, or if you’ll lose any data during or after the step by step installation guide. So knowing that, you’re advices to apply this guide only in your own responsibility and risk.
  • The CyanFox custom ROM is compatible only with the Samsung Galaxy S2 I9100 device. So do not use this guide on an incorrect smartphone, will probably damage or brick your device.

 How to Install Android 4.3 based CyanFox custom ROM Firmware on Galaxy S2 I9100

  1. Download the Android 4.3 based CyanFox software from here and save it in your PC, do not unzip it.
  2. Download the Google App pack from here , save it in your PC without unzip the same.
  3. Now, connect the Galaxy S2 device with the PC via USB cable.
  4. Next, move the downloaded files from PC to the smartphone’s SD card.
  5. After the downloaded both files are completely transferred to the phone, disconnect the smartphone from computer by removing its USB cable.
  6. Turn of the Galaxy S2 device.
  7. Boot it in recovery mode.
  8. From the recovery mode select “wipe data factory reset” and “wipe cache partition”. Also, select “advance” and then “wipe dalvick cache”.
  9. Now, return to the main recovery mode by selecting”+++go back+++”.
  10. From the recovery mode select now “install zip from SD card” followed by “choose zip from SD card”.
  11.  Now, select the CyanFox firmware file and flash it.
  12. Then, in the same manner select the transferred Google Apps pack and flash it.
  13. Wait while the update process is totally done.
  14.  When the flashing process is completed select “+++go back+++” and then “reboot system now”.
  • If the Samsung Galaxy S2 device gets stuck or it will enter into a boot loop, you’ll have to:
  1. Firstly, enter into Recovery Mode once again.
  2. Secondly, select only the “wipe data factory reset” and “wipe cache partition”.
  3. Return to the main menu of recovery mode and select “reboot system now”.
Note: the first boot after you’ve flashed the new custom ROM will take longer than usually. You need to be calm and to wait; there is nothing wrong with the smartphone.
Good Job, you have completed the step by step guide. Therefore, now you successfully learned how manually update the Samsung Galaxy S2 I9100 to custom Android 4.3 JB using the CyanFox custom ROM.
So, test the new custom ROM and let us know what do you think about It by sharing your impressions with us in our comment section from below.


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