How to reset or factory restore BenQ-Siemens S81 device?
If you are looking to reset or factory restore a BenQ-Siemens S81 device, there are a few methods available. Here are the steps to follow for each method:
Method 1: Using the hardware key combination
1. Press and hold the Volume Up key and the Power key simultaneously for 10 seconds.
2. Release both keys.
3. Press and hold the Volume Up key while the logo appears on the screen.
4. Press the Volume Up key again to select "Wipe data/factory reset."
5. Press the Volume Up key and then the Power key to confirm that you want to proceed.
6. The device will begin resetting and you should see " Erasing user data / factory data ..." on the screen.
7. Wait for the process to complete, which generally takes around 5-10 minutes.
8. Once the reset process is complete, press the Volume Up key and the Power key simultaneously to reboot your device.
Method 2: Accessing the factory reset menu through the Settings app
1. Open the Settings app on your device.
2. Scroll down to "About phone" and tap on it.
3. Under "Device information," tap on the "Build number" link the number of times it takes for the "You've reached Developer options" message to appear.
4. Open the Developer options menu.
5. Tap on "Factory data reset" and follow the steps to confirm that you want to proceed with resetting the device.
6. The device will begin resetting and you should see " Erasing user data / factory data ..." on the screen.
7. Wait for the process to complete, which generally takes around 5-10 minutes.
8. Once the reset process is complete, press the Volume Up key and the Power key simultaneously to reboot your device.
Method 3: Accessing the factory reset menu using a computer
1. Connect your device to the computer using a USB cable.
2. Open your device's manufacturer's website and go to the downloads section.
3. Download the Drivers for your device and install it on your computer.
4. Download the Stock firmware for your device from the same website.
5. Install the stock firmware on your device using a recovery program (such as Fastboot or RecoveryBox).
6. After the stock firmware is installed, disconnect your device from the computer.
7. Press and hold the Volume Up key and the Power key simultaneously until the recovery screen appears.
8. Select "Factory data reset" and follow the steps to confirm that you want to proceed with resetting the device.
9. The device will begin resetting and you should see " Erasing user data / factory data ..." on the screen.
10. Wait for the process to complete, which generally takes around 5-10 minutes.
11. Once the reset process is complete, press the Volume Up key and the Power key simultaneously to reboot your device.
It's important to note that resetting your device to its factory settings will erase all of your data, so make sure to back up any important information before proceeding. Additionally, it is recommended to update your device with the latest firmware and drivers before attempting a reset. If you are unsure about any of the steps or have any questions, it is always best to consult the manufacturer's documentation or contact their customer support for assistance.