Click download

• Turn off your phone (always powered off is a must)
• Press and HOLD volume UP or Down or you can simply press it simultaneously
• Insert your USB cable without releasing the VOLUME button(s).
• Keep on repeating until Flashtool detected your phone.

1. PMT_CHANGED error occur when firmware is not compatible with your phone. Sometimes your phone has a different board version. You should check it too, if your firmware is compatible with your phone. 
2. Try Firmware upgrade
3. Try different version of flashtool
4. Try to set Format All + Download
5. Or try Manual Format first then Download.

1. Open flash_tool.exe
2. Load the scatter file
3. Goto Format Tab
4. Click on Format except bootloader
5. Press Play/Start Icon
6. Then remove battery
7. Insert the battery again
8. Insert the USB cable (you should hear a beep on your computer, and it should proceed in formatting.)
9. After done formatting proceed in Flashing.
10. Goto Download tab (I assume that you loaded the scatter file already)
11. Uncheck PRELOADER (this is very important)
12. Press Download
13. Then remove battery
14. Insert Battery again
15. Insert the USB cable (you should hear a beep on your computer, and it should proceed in flashing or downloading the firmware in your phone.)
16. Power ON the phone after flashing.
17. Restore your IMEI.

1. Root your phone via vRoot/iRoot/Kingoroot or your preferred method in rooting you device. Your phone must be rooted first.
2. Download MTKDroidsTool version 2.4.8 and version 2.5.3
3. Enable your USB debugging in Developer Option (you also need this in rooting your phone via PC)
4. Okay in your PC -- Open MTKDroidstool version 2.4.8 (Mtkdroidstool.exe) first. Make sure that you connected your phone already.
5. Still in Mtkdroidstool -- Click ROOT
6. In your phone -- A pop up dialogue will appear, just grant or allow it.
7. In your PC -- If root shell is granted/allowed, Click in IMEI/NVRAM tab. If it is grayed out this is the time when you open the MTKDroidsTool version 2.5.3.
8. Enter your original IMEI
9. Click Replace
10. Reboot your phone

Important Note:

Pre-Requisites:

Points to be noted:

• If you are using any Custom ROM such as- CyanogenMod, Paranoid Android, AOKP, SLIM ROMs etc, then it’ll replaced by this official Stock ROM
• Custom Recovery (CWM or TWRP Recovery) will be replaced by Stock Recovery
• After flashing official firmware, your device will no longer belongs to rooted device. However you can root your device any time after flashing the firmware.

Previous Firmware Build

• Check battery percentage, your device should have at least 80% battery power
• Turn on USB Debugging mode, go to Settings-Developer Options-USB Debugging
• Backup important data and settings to external storage- follow this guide
• Install USB driver for your device on your computer- Download Samsung USB Driver

P3100XWDNA1 Android 4.2.2 Jelly Bean Firmware Last Updated on 26-Feb-2014. Samsung Galaxy Tab 2 7.0 GT-P3100 (3G+WiFi) recently received the latest XWDNA1 Android 4.2.2 Jelly Bean official firmware update. Samsung started rolling out an OTA update about the firmware. The latest firmware build version is P3100XWDNA1. The Galaxy Tab 2 7.0 was released in the beginning of the year 2012 with Android 2.3.6 Gingerbread Firmware and was schedule upgradable to Android 4.1 Jelly Bean. Samsung started pushing  Android 4.2.2 Jelly Bean on Galaxy Tab 2 7.0 P3100 from the month of July 2013. Here we have the latest available firmware for the device. If you not yet updated your device to this latest available firmware, then do it now by following the tutorial below. The below guide will help you to download and install the P3100XWDNA1 Android 4.2.2 Jelly Bean Firmware manually through Odin. You can also check the latest available firmware for your device through OTA (over the air) from Settings-About Tablet-Software Update.

 

If your Galaxy Tab 2 7.0 P3100 already running on Android 4.2.2 Jelly Bean, then you can only expect few bug fixes and performance enhancement with this latest firmware update.

Android 4.2.2 Jelly Bean P3100XWDNA1 Official Firmware Download List

How to Install Android 4.2.2 Jelly Bean Official Firmware on Galaxy Tab 2 7.0 P3100 through Odin:

1. Download Android 4.2.2 XWDNA1 Firmware for Galaxy Tab 2 7.0 P3100 from the above list
2. Download Odin 3.09
3. Switch off your Tablet and boot Galaxy Tab 2 7.0 P3100 into Download Mode by pressing and holding the Volume Down and Power keys together until you get the warning message, now press Volume Up key to proceed to Download Mode..
4. Extract the downloaded Odin3.07 zip file and run the Odin3 v3.07.exe file as an administrator (Right click on the .exe file and click on Run as administrator)
5. Now connect your Galaxy Tab 2 7.0 P3100 to your computer via USB cable
6. In Odin3 screen, you should see a COM Port number like “0:[COM7]” at ID:COM section and “Added!” text at the message box. This means your device has been detected by Odin3.
7. Make sure that, only the “Auto Reboot” and “F. Reset Time” options are checked.
8. Now, extract the downloaded firmware zip file, you’ll find a firmware file with extension .tar.md5
9. In Odin screen, click on PDA button and select the firmware file with .tar.md5 extension (The firmware file look something like: P3100XXDLJ5_P3100ODDDLI7_INU.tar.md5)
10. Now, click on the Start button to begin the installation process, wait few moments.
11. Once completed, you would see “PASS!” message in ID:COM port having green background
12. Your Tablet should automatically reboot after completion
13. You can now disconnect your Tablet from computer
14. Finish

The Galaxy Tab 3 10.1 P5200 was released back in the year 2013 with Android 4.2.2 Jelly Bean and yet to receive Android 4.3 Jelly Bean or later android version. As the device already running on the Android 4.2.2 Jelly Bean, you can only expect few bug fixes and performance enhancement with this latest firmware update.

Android 4.2.2 Jelly Bean P5200XXUANB2 Official Firmware Download List

How to Install Android 4.2.2 Jelly Bean Official Firmware on Galaxy Tab 3 10.1 P5200 through Odin:

1. Download Android 4.2.2 XXUANB2 Firmware for Galaxy Tab 3 10.1 P5200 from the above list
2. Download Odin 3.09
3. Switch off your Tablet and boot Galaxy Tab 3 10.1 P5200 into Download Mode by pressing and holding the Volume Down and Power keys together until you get the warning message, now press Volume Up key to proceed to Download Mode..
4. Extract the downloaded Odin3.09 zip file and run the Odin3 v3.09.exe file as an administrator (Right click on the .exe file and click on Run as administrator)
5. Now connect your Galaxy Tab 3 10.1 P5200 to your computer via USB cable
6. In Odin3 screen, you should see a COM Port number like “0:[COM7]” at ID:COM section and “Added!” text at the message box. This means your device has been detected by Odin3.
7. Make sure that, only the “Auto Reboot” and “F. Reset Time” options are checked.
8. Now, extract the downloaded firmware zip file, you’ll find a firmware file with extension .tar.md5
9. In Odin screen, click on AP button and select the firmware file with .tar.md5 extension (The firmware file look something like: P5200XXDLJ5_P5200ODDDLI7_INU.tar.md5)
10. Now, click on the Start button to begin the installation process, wait few moments.
11. Once completed, you would see “PASS!” message in ID:COM port having green background
12. Your Tablet should automatically reboot after completion
13. You can now disconnect your Tablet from computer
14. Finish