How to reset or factory restore a Alcatel OT-818 device?
Alcatel OT-818 is a dual-sim Android device, which can be reset or factory restored using various methods, depending on the circumstance. Here is the most recommended and commonly used methods:
Method 1: Using Hard Reset and Volume Keys
1. Turn off the device by pressing and holding the power button until the phone shuts down.
2. Press and hold the Volume Down button, and immediately press and hold the Power button.
3. Keep holding both buttons for approximately 10-15 seconds, until the Alcatel logo appears.
4. Release all buttons, and then press and hold the Volume Up button.
5. Press and hold the Volume Down button, and then press the Power button to enter recovery mode.
6. Reboot the device by pressing the Volume Up button, which will be designated as "Yes" or "Accept."
7. Once the device boots up, the user can see the "DELETE ALL USER DATA" option.
8. Confirm the process by pressing the Volume Up button.
9. The device will start to reset to factory settings.
Method 2: Using the Wipe Data/Factory Reset Option in Recovery Mode
1. Press and hold the Volume Down button and Power button for 10-15 seconds, until the Alcatel logo appears.
2. Release all buttons, and then press and hold the Volume Up button.
3. Press and hold the Volume Down button, and then press the Power button to enter recovery mode.
4. Use the Volume Down and Volume Up buttons to scroll and highlight "Wipe Data/Factory Reset," and press the Power button to select it.
5. Confirm the process by pressing the Volume Up button.
6. The device will start to reset to factory settings.
Method 3: Using PC with Removable SD Card or Downloading Custom ROM using USB cable
1. Connect the device to the computer using the provided USB cable.
2. Install the relevant ADB and Fastboot drivers on the computer.
3. Install a custom ROM on the device using Fastboot command or a custom recovery mode.
4. Alternatively, you can download and extract the stock firmware from the official Alcatel website or other reliable sources.
5. Once you have the firmware, rename the file with a ".zip" extension, and transfer it to the root of the SD card.
6. Reboot the device and press and hold the Volume Down button and Power button for 15 seconds, until the device shows " recovery mode."
7. Connect the SD card to the computer, and the computer will detect the SD card.
8. Use the Volume buttons to select "Install zip from SD card" and press the Power button to install the custom ROM.
9. Reboot the device and use the Volume buttons to select "Reboot system now
