Firmware Samsung Galaxy Z Fold2 5G

OS: Android 10, upgradable to Android 11, One UI 3.1.1

CPU: Octa-core (1x3.09 GHz Kryo 585 & 3x2.42 GHz Kryo 585 & 4x1.8 GHz Kryo 585)

Display: 7.6 inches, 180.8 cm²

Before flashing, you need
Create a full backup of the firmware.
The battery must be 100% charged.

1. Flashing your phone using CWM Recovery
2. Flashing the phone using TWRP Recovery
3. Flashing the phone using Fastboot

1. Phone flashing using CWM Recovery
The rich functionality of CWM Recovery www.clockworkmod.com allows you to perform many manipulations with the device, including rolling the firmware. By default, stock Recovery is installed in the devices, which means that first you need to install the ClockWorkMod Recovery utility itself.
The general firmware process described below is for ZIP files. Instructions: - Download the firmware you are interested in and place it on the phone's SD card.
- First, turn off the phone with the Power button.
- Hold down a certain sequence of buttons on the phone body. The set of buttons may differ depending on the manufacturer of your phone. The universal option is to press the following keys.
- Press and hold the Power + Volume up (or Volume Down) (+Home) buttons together for a few seconds.
- As a result, the smartphone will boot in Recovery mode (engineering recovery menu).
- Use the volume buttons to navigate through the menus and use the Power button to make your selections.
- Select 'Wipe data / factory reset' from the menu.
- Use the volume buttons to select 'Yes - delete all user data'.
- Select 'Wipe cashe partition' from the Recovery mode menu.
- Use the volume buttons to select 'Yes - Wipe cache' .
- Highlight 'advanced' and press the Power button.
- Use the volume buttons to select 'Wipe Dalvik Cache'.
- Select 'Yes - Wipe Dalvik Cache' and press the Power button.
Go back, press 'Go Back'.
- Highlight 'mounts and storage' and press the Power button.
- Select 'format / system' from the menu.
- Select 'Yes - Format' and press the Power button.
Go back, press 'Go Back'.
- Select 'install zip from sdcard' .
- From the menu, choose 'choose zip from sdcard' .
- Select 'Yes - Install your firmware name' and press the Power button.
- Select 'Reboot system now' with the volume buttons and press the Power button.

2. Flashing the phone using TWRP Recovery
For those who prefer working with the utility in the form of TWRP Recovery, the following instructions for the step-by-step installation of the update in the form of a ZIP archive are offered:
- Upload the file with the firmware image to the device's memory.
- Go to TWRP Recovery. In the same way as in CWM.
- Perform a factory reset. When the phone has finished cleaning, return to the original menu by pressing the 'Back' key.
- In the main menu, select 'Install' and find the previously downloaded firmware image. Click on it by dragging the slider to the side.
- The flashing process will take about 2-3 minutes.
- After the completion of the firmware operation, you must click on the 'Reboot System' item, and reboot the device.

3. Flashing the phone using Fastboot
A universal tool for flashing Android smartphones using a PC is the Fastboot utility. It is part of the SDK Platform Tools, which means it is suitable for a large number of devices.
Before starting the firmware, you need to get access to the system kernel. Very often, many manufacturers block this system parameter, not wanting users to change the system files of their firmware images with their own hands. To do this, you need to unblock Bootloader. To do this, you need to study the detailed instructions for configuring and managing the command line. Before starting the firmware using a computer, do not forget to enable USB debugging of the device in the engineering settings of the device.
- First, copy the .zip archive with the image, and place it in the folder with 'ADB'.
- Now you need to put your device into fastboot mode and write a prompt in the command line: fastbooflash zip filename.zip.
- Wait until the end of the installation and reboot the device.