How to upgrade official firmware on Samsung Galaxy S II I9100

If you are a new user of Samsung Galaxy S II I9100 and you wanted to upgrade your phones firmware to any latest updates, all you need is a personal computer or laptop and install a software program called KIES, you can download it via Samsung official support.
You cant do it over the air or OTA like any other android smartphones by using software update option, Yes you can see a software update option in phone under settings and you need to specify your samsung account details as well.. but  as of now its doesnt work on Samsung Galaxy S II I9100.

Aside from Kies update you can also manually upgrade the device by a way of using ODIN downloader tool and an original firmware.

This method is  not recommended for beginners since it will cause some problems and sometimes mess up the phone, called bricking.

If you want to learn by this method you may visit XDA-developer, many advance users in there shares a useful tweaks and tips about Samsung Galaxy S II I900 firmware.

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How to Update Galaxy S4 I9505 with Android 4 2 2 XXUDMH8 Jelly Bean Official Firmware

Samsung has just started to push a new software update for the LTE version of Galaxy S4 with model number GT-I9505. The new software update is still based on Android 4.2.2 Jelly Bean and now available for download in UK as an Over-The-Air (OTA) update as well as through Samsung KIES.

Firmware details
PDA: I9505XXUDMH8
CSC: I9505OXXDMHA
MODEM: I9505XXUDMH8
Version: Android 4.2.2
Built date: Aug 21, 2013
Regions: United Kingdom

Samsung Galaxy S4 I9505 users who missed the OTA update notification or unable to access the update over Samsung KIES, may follow our step-by-step guide to install the update manually.

Pre-requisites
1. Install USB Drivers for Samsung Galaxy S4 on the computer.
2. Enable USB Debugging Mode on the phone by navigating to Settings >> Developer Options.
3. Make a backup of all your important data before following the guide.
4. The Galaxy S4 should be factory unlocked and not locked to any particular carrier.
5. Ensure the battery of the phone is charged more than 80 percent.
6. The Android 4.2.2 XXUDMH8 Jelly Bean firmware is compatible only with Samsung Galaxy S4 I9505. Applying these to any incorrect variant might brick the device. Verify the model number of the Galaxy S4 by navigating to Settings >> About Phone.

File Required
1. Android 4.2.2 XXUDMH8 Jelly Bean Firmware (Mirror Link) for Samsung Galaxy S4 I9505
2. Odin 3.07

Steps to Update Galaxy S4 I9505 with Android 4.2.2 XXUDMH8 Jelly Bean Firmware
Step 1: Extract Firmware zip file using winrar/7zip/winzip or any other extracting tool, you will get a .tar.md5 file and some other files.
Step 2: Extract Odin zip file and you will get Odin3 v3.07.exe along with few other files.
Step 3: Switch off the Galaxy S4.
Step 4: Boot the device into Download Mode by pressing and holding Volume Down, Home and Power buttons together until a construction Android robot icon with a warning triangle appears on screen. Now press the Volume Up button to enter Download Mode.
Step 5: Run Odin on the computer as an Administrator.
Step 6: Connect the Galaxy S4 to the computer using USB cable while it is in the Download Mode. Wait until Odin detects the device. When the device is connected successfully, the ID: COM box will turn to light blue with the COM port number. Additionally, the successful connected will be indicated by a message saying Added.

Note: If the Added message does not appear, then try re-install USB drivers or changing the port on the computer.

Step 7: Choose the following files in Odin from extracted I9505XXUDMH8 firmware folder by using respective checkboxes:

• Select the PDA checkbox, and choose the file named .tar or .md5.
• Click the Phone checkbox, and choose the file with modem in its name (ignore if there is no such file)
• Click the CSC checkbox, and select the file with csc in its name (ignore if such file is missing)
• Choose the PIT checkbox, and choose the .pit file. Use only the file obtained during extracting in step 1 above, otherwise ignore it.

Step 8: In Odin, enable Auto Reboot and F. Reset Time checkboxes. Also, ensure the Re-Partition checkbox is chosen only if a .pit file was chosen in the previous step.
Step 9: Verify everything suggested in Step 7 and Step 8 is done correctly. Then hit the Start button to begin the installation process.
Step 10: Once the installation process is completed, your phone 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.

Samsung Galaxy S4 I9505 should be now updated with official Android 4.2.2 XXUDMH8 Jelly Bean. Head over to Settings >> About Phone to verify the software version running on the device.

Note: If Galaxy S4 I9505 stuck at booting animation after Step 10 then go to recovery mode (press and hold the Volume Up, Home and Power buttons together) and 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 key to select the option. Please note, performing wiping task will erase your device internal memory data and not external SD card data.

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How to Root Galaxy Ace 3 S7270 on Android 4 2 2 Jelly Bean Firmware

Samsung has released the Android 4.2.2 Jelly Bean update with firmware build number S7270XXUAMH1 for the Galaxy Ace 3 with model number GT-S7270. The new official firmware is currently available as an Over-The-Air (OTA) update as well as through Samsung KIES.

Samsung Galaxy Ace 3 S7270 users who have already installed their devices with Android 4.2.2 Jelly Bean, may root their devices using the tutorial below.

Disclaimer: Rooting voids the warranty of your device. We and the developer of this rooting procedures shall not be held responsible if any undesirable outcomes may happen to your device. use of this root guide is solely at your own risk!

Pre-Requisites
1. Install USB Drivers for Samsung Galaxy Ace 3 on your computer.
2. Enable USB Debugging Mode on the device by navigating to Settings >> Developer Options.
3. Make a backup of all your important data before following the guide.
4. The Galaxy Ace 3 should be factory unlocked and not locked to any particular carrier.
5. Ensure the battery of the device is charged more than 80 percent.
6. The ClockworkMod Recovery (CWM) files works only on the Samsung Galaxy Ace 3 with model number GT-S7270 and GT-S7272. Applying these on any incorrect variant might brick the device. Verify the model number of the Galaxy Ace 3 by selecting Settings >> About Phone.

File Required
1. CWM or CWM Touch Recovery
2. SuperSU (UPDATE-SuperSU-v1.51.zip) or the latest version
3. Odin 3.07

Steps to Install CWM Recovery on Samsung Galaxy Ace 3
Step 1: Extract the Odin 3.07 file using winrar/7zip/winzip or any other extracting tool.
Step 2: Copy the SuperSU file to the SD card of your phone.
Step 3: Switch off the Galaxy Ace 3. Then boot the device into Download Mode by pressing and holding Volume Down, Home and Power buttons together until a construction Android robot icon with a warning triangle appears on screen. Now press the Volume Up button to enter Download Mode.
Step 4: Run Odin on the computer as an Administrator.
Step 5: Connect the Galaxy Ace 3 to the computer using USB cable while it is in the Download Mode. Wait until Odin detects the device. When the device is connected successfully, the ID: COM box will turn to light blue with the COM port number. Additionally, the successful connected will be indicated by a message saying Added.

Note: If the Added message does not appear, then try re-install USB drivers or changing the port on the computer.

Step 6: In Odin, click the PDA button and select the CWM Recovery file. Verify that Auto Reboot and F. Reset Time checkboxes are selected. Also, ensure the Re-Partition option is NOT selected.
Step 7: Double-check and click Start button in Odin. The installation process will now begin.
Step 8: Once the installation process is completed, your phone 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 it from the computer.

Steps to Root Galaxy Ace 3 by Installing SuperSU via CWM Recovery
Step 9: Reboot the device into CWM Recovery by pressing and holding Volume Up, Home and Power buttons together.
Step 10: In CWM Recovery, select "install zip from sdcard" and then select "choose zip from sdcard". Now, navigate to the SuperSU file that you copied earlier and confirm the installation by selecting Yes.
Step 11: Once installation process is completed, return to main recovery menu and select "reboot system now".

Samsung Galaxy Ace 3 S7270 running on Android 4.2.2 Jelly Bean is now rooted successfully. You can now install any app that requires root permission. Verify the root status of the device by downloading Root Checker app from Google Play Store.

Thanks to all fellas at XDA who first tried out this rooting technique. This root method was originally posted via XDA-Developers original thread.

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