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Flash firmware on Samsung Galaxy Note 3 Neo Duos

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How to flash Samsung Galaxy Note 3 Neo Duos?


Why reinstall the firmware?

Errors constantly appear in the Android operating system.

Some installed applications stop opening.

Some applications from the Play Market do not start.

The phone restarts or shuts down for no reason.

The phone is slow.

You are not satisfied with the functionality of the stock (official) firmware.





Where can I find the firmware?

On the phone manufacturer's website.

On sites where users post custom or official OS.


What should be done before installing the firmware?

Create a backup copy of user data and transfer it to another medium.

Insert your SD card into your phone. It must have enough memory to fit the firmware.

Determine your smartphone model.

Fully charge your phone. If the battery runs out during boot, the device will no longer turn on.

Find and download the archive with Firmware. And place it on the SD card.





Installing TWRP Recovery

Download the Official TWRP App from the Play Market. Download, install and launch the application..

When you start the application for the first time, you must consent to future manipulations, as well as consent to granting the application Superuser rights. Check the checkboxes and press the 'OK' button.

Going to the next screen, select the item 'TWRP FLASH' and provide the application with root-rights.

TWRP

On the main screen of the application, click on the 'Select Device' drop-down list, and select your phone model.

After selecting a device, the program redirects the user to a web page to download the corresponding image file of the modified recovery environment. Download the suggested *.img file.

After downloading the image file, go to the main screen of the Official TWRP App and press the 'Select a file to flash' button. Then we tell the program the path where the file loaded in the previous step is located.

Press the 'FLASH TO RECOVERY' button and confirm that you are ready to start the procedure - press 'OK' in the question window.

After the burn process is complete, the message 'Flash Completed Succsessfuly!' appears. Click 'OK'. The TWRP installation procedure can be considered complete..

Copy the firmware and other necessary files to the SD card.

Insert a memory card into the device.

To reboot into recovery, you need to use a special item in the Official TWRP App menu, accessible by pressing the button with three stripes in the upper left corner of the main screen of the application. Open the menu and select the 'Reboot' item, and then click on the 'REBOOT RECOVERY' button.





Firmware via TWRP

TWRP

Before flashing, you need to clear the 'Cache' and 'Data' sections, press 'WIPE' on the main screen. This will delete all user data from the device, but avoid a wide range of software errors and other problems.

Now you can start flashing. Press the 'Install' button.


TWRP

The file selection screen appears. At the very top there is a 'Storage' button for selecting an SD card.

Select the location where the files were copied.



TWRP

Find the file we need and click on it. A screen opens with a warning about possible negative consequences, as well as the item 'Zip signature verification'. This item should be checked by placing a cross in the check-box, which will avoid using damaged files when writing to the phone's memory sections.

The procedure for writing files to the device's memory will begin, accompanied by the appearance of inscriptions in the log field and the completion of the progress bar.

After completing the installation procedure, a 'Successful' message appears on the screen.





Summary: Smart Phone OS: Android OS, v4.3 (Jelly Bean); Chipset: Qualcomm MSM8228 Snapdragon 400; CPU: Quad-core 1.6 GHz Cortex-A7; GPU: Adreno 305; Type: Super AMOLED capacitive touchscreen, 16M colors; Screen Size: 5.5 inches (~72.6% screen-to-body ratio); Resolution: 720 x 1280 pixels (~267 ppi pixel density); Multitouch: Yes; : - TouchWiz UI; Main Camera: 8 MP, f/2.6, 31mm, autofocus, LED flash; Features: Geo-tagging, touch focus, face/smile detection, panorama, HDR; Video: 1080p@30fps, stereo sound rec.; Front Camera: 2 MP, f/2.4, 27mm, 1080p; Card slot: microSD, up to 64 GB (dedicated slot); Internal: 16 GB (11 GB user available), 2 GB RAM; Alert types: Vibration; MP3, WAV ringt ...

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