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Flash firmware on Samsung Galaxy S7 Edge MSM8996

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How to flash Samsung Galaxy S7 Edge MSM8996?


Why reinstall the firmware?

Errors in the Android OS start to appear regularly.

Some applications do not open, reinstalling which does not lead to a positive result.

Many programs from the Play Market do not start.

The phone shuts down and restarts for no apparent reason.

The phone slows down a lot during operation.

You want to update the firmware, as it does not suit you in terms of functionality.





Where can I find the firmware?

On the official website of the phone manufacturer.

On specialized services on which developers lay out custom or official OS.


What should be done before installing the firmware?

Back up your contacts and user data and transfer it to another medium.

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

Find information about your smartphone model.

Fully charge your phone battery.

Download the archive with Firmware and place it on the SD card.





Installing TWRP Recovery

Download the Official TWRP App to your phone from the Play Market. And install this app.

At the first start, you need to give consent to future manipulations, as well as consent to granting the Superuser rights to the application. Check the checkboxes and press the 'OK' button.

On the next screen, select 'TWRP FLASH' and give the application root rights.

TWRP

On the main screen of the application, click 'Select Device', and find your phone model.

After selecting a phone, the application will direct the user to a web page to download the modified recovery environment image file. Download the proposed *.img file.

When the file is loaded, return to the main screen of the Official TWRP App and press the 'Select a file to flash' button. Select the file downloaded in the previous step.

After adding the image file to the program, click the 'FLASH TO RECOVERY' button and confirm your choice, click 'OK'.

The recording process is very fast, and upon completion, the message 'Flash Completed Succsessfuly!' appears. Click 'OK'. The TWRP installation procedure can be considered complete.

Write the firmware and other necessary files to the SD card. Using a PC or laptop card reader, it will be much faster.

Insert a memory card into the 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 the 'Reboot' item, and then click on the 'REBOOT RECOVERY' button. The phone will reboot into the recovery environment automatically..





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. Click the 'Install' button.


TWRP

The file selection screen is displayed. At the very top is the 'Storage' button, select the location where the firmware file is located.

Select the location where you copied the files. Press the 'OK' button.



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.

When the procedure for installing the firmware is completed, the message 'Successful' appears on the screen.





Summary: Chip: Qualcomm Snapdragon 820 MSM8996; Process technology: 14 nm; CPU: 2x 2.15 GHz Kryo, 2x 1.6 GHz Kryo; CPU bits: 64 bit; Instruction set: ARMv8-A; Level 2 cache memory (L2): 1536 KB; CPU cores: 4; CPU frequency: 2150 MHz; GPU: Qualcomm Adreno 530; GPU frequency: 624 MHz; RAM capacity: 4 GB; RAM type: LPDDR4; RAM channels: Double channel; RAM frequency: 1866 MHz; Operating system (OS): Android 6.0.1 Marshmallow; User interface (UI): Edge UX; SIM card type: Nano-SIM (4FF - fourth form factor, since 2012, 12.30 x 8.80 x 0.67 mm); Number of SIM cards: 1; Type/technology: Super AMOLED; Diagonal size: 5.5 in; Width: 2.7 in; Height: 4.79 in; Aspect ratio: 1.77816: 9; Resol ...

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