Download I9105PXXUBOB2 Android 4.2.2 Jelly Bean Firmware For Galaxy S2 Plus GT-I9105P – How To Guide


I9105PXXUBOB2 Android 4.2.2 Jelly Bean official firmware rolled out by Samsung recently for Galaxy S2 Plus GT-I9105P. This latest official firmware is now available for download in many countries including Poland, Singapore, Thailand and Australia. If you willing to update your Galaxy S2 Plus GT-I9105P to XXUBOB2 Android 4.2.2 Jelly Bean firmware then you should first try updating your existing firmware using OTA or via Kies. If both method unable to update your device to I9105PXXUBOB2 Android 4.2.2 Jelly Bean then you can download the firmware (link available below) and flash it manually with the help of Odin. Apart from usual bug fixes and performance improvement it may bring new features to better your using experience. If you considering to update your Galaxy S2 Plus GT-I9105P to I9105PXXUBOB2 Android 4.2.2 Jelly Bean then follow below mentioned method to know the necessary steps. In this guide I have tried to discuss all known ways to flash this firmware on your device. Caution: Don’t try to flash downloaded zip file using CWM recovery or TWRP recovery. You should note, installing official firmware restore kernel hence your root access will be void, in other word – your device will be unrooted.

Please, try either OTA or Kies update instruction to update Galaxy S2 Plus to I9105PXXUBOB2 Android 4.2.2 Jelly Bean stock firmware. If both method failed then, you should try to install I9105PXXUBOB2 Android 4.2.2 Jelly Bean firmware on Galaxy S2 Plus GT-I9105P manually.


Warning: This tutorial is only for Galaxy S2 Plus GT-I9105P. Don’t try this guide on any other Android device. Also, we (PrimeHowTo) are not responsible for any damage caused due to the instruction given in this page. Try this at your own risk. However, it is very unlikely that your device will be damaged if you follow all the instructions as it is which are mentioned in procedure.

Pre Requisites:

Official firmware restore all existing data but to avoid any accidental data lose (such as fixing bootloop) always backup your existing data before proceeding.

1. Flashing custom ROM ask you to use wipe function in recovery which delete internal memory data. I’ll advise you to backup your data prior flashing. I recommend app Helium for this purpose, however you can use any other preferred backup app.


2. Make sure your device have enough battery power (at least 50% battery power) to avoid any accidental brick. You can install an app like Battery Notifier BT Free on your Android device to check it easily.

3. You must have USB Driver Installed for Galaxy S2 Plus GT-I9105P in your PC. If you manage to access your phone data after connecting to your computer then you already have USB driver installed.

4. Make sure USB Debugging is enabled otherwise it’s won’t be possible to transfer file between PC and Galaxy S2 Plus GT-I9105P. By default its enabled, so you don’t have to worry.

5. Manual update will be done using Odin utility which support Windows system only for now.

How To Update Galaxy S2 Plus GT-I9105P via OTA

  1. Make sure, you have a stable internet connection (Wi-Fi or data network).
  2. Now, go to Android app drawer and then select Settings.
  3. Then locate About Device and tap on it.
  4. Next select Software update from About device screen.
  5. Then tap on Update option.
  6. You should see an update, press OK to download and install. (Remember, download using 3G or network data will incur additional charges to your phone bill!)
  7. Soon your device will reboot to complete the installation process.

If you see “The latest update have already been installed” massage while checking update then your device yet to receive an OTA update. Check back within few days or jump to next procedure.

How To Update Galaxy S2 Plus GT-I9105P via Kies

  1. Make sure, you have a stable internet connection.
  2. Now download and install Samsung Kies on your computer.
  3. Turn on your device (if it off) and then connect it to computer via USB cable.
  4. Wait few minute and soon Kies will detect your Android device.
  5. You should notice a New Firmware Upgrade is available at Samsung Kies home screen.
  6. Press the Firmware Upgrade button to proceed.
  7. Follow on screen instruction and soon you will see your device running upgrade and reboot automatically. Once done, you can disconnect your device from computer.

Again! If you see “This is the latest firmware” in Samsung Kies, then your device (or country) yet to receive this latest update on Kies. Its good time to go for manual update instruction that located below.

Quick Notes:

  1. Flashing or installing official firmware will remove custom ROM including CM11, AOKP, Avatar, Beanstalk, Omni ROM, Slim ROM, Pac-Man, Paranoid Android, LiquidSmooth or Carbon.
  2. We always try to add resumable download link when available but since most download link comes from free host, you may not receive good speed. Also, we only add torrent when available from trusted source. To speed up your download you can always buy premium membership account.

How To Install I9105PXXUBOB2 Android 4.2.2 Jelly Bean On Galaxy S2 Plus GT-I9105P Manually

  1. Download Odin v3.09 and I9105PXXUBOB2 (for all countries) firmware.
  2. Extract the downloaded firmware zip in your computer, you will get a .tar.md5 file along with some optional files. Please, don’t extract the file twice, else you will end up with some unflashable file.
  3. Now extract Odin zip file to get Odin3 v3.09.exe along with few other files.
  4. Power off your Android device and wait 5-6 seconds for vibration to confirm complete switch off.
  5. Now, put the Galaxy S2 Plus GT-I9105P in Download Mode by pressing and holding down the Home & Volume Down button together while pressing the Power button. You will soon see a warning screen; press Volume Up button to enter Download Mode.
  6. Now run Odin3 v3.09.exe (see Step 3) as an Administrator since Admin privileges is required to complete the process smoothly (only applicable Windows Vista and higher).
  7. When all done, connect your device to your PC using USB cable. You will see an “Added!!” massage in Odin’s message box. Try other USB port, preferably USB port located in back in your desktop PC if you don’t see the Added massage. In case, the solution don’t work then re-install USB driver. If you successfully see the “Added!!” message in Odin then you are ready to go in next step. You should also see COM port with a number in Yellow if you successfully added your device.
  8. Click the AP Button, and select that .tar.md5 file that you get in Step 2. If you using an earlier version of Odin then add the file to PDA button.
  9. In Odin window, make sure only Auto Reboot and F. Reset Time checkboxes are selected (default set up).
  10. Double check everything that we mentioned in Step 8 & Step 9 above. Now, once satisfied hit the START button to begin the flashing process.
  11. Once flashing completed, your Galaxy S2 Plus GT-I9105P will restart and soon you will see a PASS message with green background in the left-most box at the very top of the Odin. You can now unplug the USB cable to disconnect your device from computer. In case, you want to flash another file via Odin then hit Reset button.

Congrats! You just updated your Galaxy S2 Plus GT-I9105P to I9105PXXUBOB2 Android 4.2.2 Jelly Bean firmware. Go to Settings > About device to verify this firmware update.

More Download Links:

How To Fix Boot Loop Issue On Galaxy S2 Plus GT-I9105P

If Galaxy S2 Plus GT-I9105P stuck at booting animation for more than 10 minutes after final step then follow below instructions (it happen some time so don’t worry). Please note, the given solution will erase data that stored in mobile memory and not SD card data:

  1. Boot into recovery mode. To do so, press and hold the Volume Up, Home and Power buttons together till Samsung logo flash twice then leave Power button.
  2. Now perform Wipe data/Factory Reset and Wipe Cache Partition task before selecting reboot system now function. In recovery mode use Volume keys to navigate between options and Power button to select a option.