How to reset or factory restore Samsung Rex 70 S3802 device?
The Samsung Rex 70 S3802 is an older device, and it may be difficult to find official Samsung support for the device. However, there are some common and recommended ways to reset or factory restore a Samsung Rex 70 S3802 device.
Method 1: Using the Power and Volume Buttons
1. Turn off the Samsung Rex 70 S3802 device.
2. Press and hold the Power and Volume buttons simultaneously for about 30 seconds until the phone enters the bootloader mode.
3. Connect the phone to a computer using a USB cable.
4. Open a command prompt or terminal window on the computer.
5. Type the following command and press Enter:
```bash
fastboot oem reboot
```
This will reboot the device to the bootloader mode.
1. Remove the USB cable from the phone.
2. Press and hold the Power button until the phone starts.
3. After a few seconds, press and hold the Volume buttons and the Power button simultaneously until the phone enters the recovery mode.
4. From the recovery menu, select "Wipe data/factory data" and confirm the action.
5. The phone will erase all data and settings and restore to its factory state.
Method 2: Using the Home Key
1. Turn off the Samsung Rex 70 S3802 device.
2. Press and hold the Home button for about 10 seconds until the phone enters the bootloader mode.
3. Connect the phone to a computer using a USB cable.
4. Open a command prompt or terminal window on the computer.
5. Type the following command and press Enter:
```bash
fastboot oem reboot
```
This will reboot the device to the bootloader mode.
1. Remove the USB cable from the phone.
2. Press and hold the Power button until the phone starts.
3. After a few seconds, press and hold the Volume down and Home buttons simultaneously until the phone enters the recovery mode.
4. From the recovery menu, select "Wipe data/factory data" and confirm the action.
5. The phone will erase all data and settings and restore to its factory state.
Method 3: Using a Computer
1. Connect the Samsung Rex 70 S3802 device to a computer using a USB cable.
2. Install the Samsung Kies software on the computer if you don't have it already.
3. Open the Samsung Kies software and select your device from the list.
4. Click on the "Backup and Restore" tab.
5. Click on the "Back up now" button to create a backup of the device data.
6. Once the backup is complete, select the "Restore" tab from the Samsung Kies software.
7. Select the backup file that you just created and click on the "Restore now" button.
8. The Samsung Rex 70 S3802 device will be restored to its factory state.
It is important to note that factory resetting the device will erase all data and settings, including contacts, messages, files, and custom settings. It is recommended to make a backup of the device data before performing a factory reset.