Flash firmware on Samsung Galaxy S7 Duos SM-G930FD 32GB
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How to flash Samsung Galaxy S7 Duos SM-G930FD 32GB ?
Why reinstall the firmware?
Errors constantly appear in the Android OS.
Some installed applications stop opening.
Some applications from the Play Market do not start.
The phone restarts or shuts down randomly.
The phone is slow.
You are not satisfied with the possibilities of the stock firmware.
Where can I find the firmware?
On the official website of the phone manufacturer.
On sites where users post custom or official OS.
What should be done before installing the firmware?
Create a backup copy of user data, contacts and photos and transfer it to your computer.
Insert an SD card into your phone to write the firmware to it.
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
Install the Official TWRP App from the Play Store on your phone.
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.
On the next screen, select 'TWRP FLASH' and give the application root rights.
On the main screen of the application, click 'Select Device', 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 your choice.
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 your phone.
To reboot into recovery, you need to enter the menu accessible by pressing the button with three stripes in the upper left corner of the main screen of the application. Select 'Reboot' and then click on the 'REBOOT RECOVERY' button.
Firmware via TWRP
Before flashing, you need to clear the 'Cache' and 'Data' sections, press 'WIPE' on the main screen. You will delete all user data from the phone, this will avoid software errors and other problems.
You can start flashing. Click the 'Install' button.
The file selection screen appears. At the very top is the 'Storage' button, select the location where the firmware file is located.
Select the location where the files were copied.
Select the firmware file and click on it. A screen opens with a warning about possible negative consequences, you need to check the item 'Zip signature verification', which will avoid using corrupted files when writing to the phone's memory sections.
The procedure for writing files to the phone's memory will begin, this is accompanied by the appearance of inscriptions in the log field and the movement of the progress bar.
After the firmware installation procedure is completed, the 'Successful' message appears on the screen.
Summary: Operating system: Android 6.0 (64-bit); RAM: 4 GB; Chipset: Samsung Exynos 8890; CPU: 2.3 GHz Mongoose Quad-Core1.6 GHz ARM Cortex A53 Quad-Core; GPU: Mali T880 MP12; Storage: 32 GB; Diagonal size: 5.1"; Display resolution: 2560 x 1440; Display Colors: 16.0 Million; Pixel Density: 577 ppi; Display Technology: AMOLED; Ports: 1x USB 2.0 - Micro; Audio: 1x 1/8" (3.5 mm) Headphone1x Integrated Speaker1x Integrated Microphone; Flash Media Slot: 1x microSDXC; SIM Card Size: Card 1: Nano Card 2: Nano; GSM 2G: GSM, GPRS, EDGE: 850, 900, 1800, 1900 MHz; GSM 3G/3.5G: UMTS, HSPA+: 850, 900, 1700, 1900, 2100 MHz; 4G LTE: LTE: 1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 20, 28, 40, 41, 18, 19, ...
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