How to update Galaxy S2 I9100 with Jellybean 4.2.2 Parandroid Firmware

August 31, 20130 Comments

Samsung Galaxy S2 is popular among many cost effective smartphones with great features. To make it even better than ever, it can now be installed with Jellybean 4.2.2 Parandroid firmware which comes with all the Jellybean 4.2.2 goodies. The official version of JB 4.2.2 is yet to be announced but till then you can try this one and enjoy the Jellybean features.

This guide will help you update your Galaxy S2 I9100 with Jellybean 4.2.2 Parandroid Firmware. But before we begin the process, there are a few pre-requisites that you need to look into for completing the installation guide.

  • Backup all the data as the operation involved might result in loss of data and might need to recover all the data like the contacts and all. So, take a detailed backup of all your data. You can also make a NANDROID backup using either CWM or TWRP.
  • Then enable the USB debugging option on your phone by going to “Settings -> Applications -> Development -> USB debugging”.
  • Also make sure you have enough battery charge for the process to complete without any interruptions. Maintain about 60-70% of your battery.
  • As the update process will require that you root your device, you are bound to lose your warranty as the rooting process is unofficial. But you can always get back by flashing the stock Android firmware.
  • Also make sure that your phone has to on unlocked bootloader. Also you can use the CWM or TWRP Recovery for this tutorial.
  • Keep in mind that this guide is for advanced Android users for particularly Galaxy S2 I9100 and we should not be blamed for any loss of data or in case you brick your device while trying to update it.

How to update Galaxy S2 I9100 with Jellybean 4.2.2 Parandroid Firmware

  1. First download Parandroid ROM from here and save it to your pc.
  2. Connect your Galaxy S2 I9100 to your pc and transfer the above downloaded file to your phone’s SD card and disconnect the device from pc.
  3. Now reboot your device into recovery mode .
  4. If you have not taken a NANDROID backup of the ROM, this is the time to do it. For CWM, select ‘backup and restore’ and confirm the backup.
  5. Then from recovery mode menu, select “wipe data factory reset”, “wipe cache partition” and “wipe dalvick cache”.
  6. Once done, from the main recovery mode menu, select “install from SD card” and choose the zip from SD card. Select and update the Parandroid zip file first and then flash the firmware.
  7. Once done, reboot your device by selecting “reboot system now” from Custom Recovery screen.
  8. There you go!! You now have Parandroid Custom ROM based on Jelly Bean 4.3 on your Samsung Galaxy S2 I9100. Check out all the features and capabilities of the newly installed ROM.

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