Samsung Galaxy Z Fold4 Charte SM-F936UZKECHA Guide
![Samsung Galaxy Z Fold4 Charte SM-F936UZKECHA Phone manual cover](/images/OSuXcalLqRCETtFiMtYYUNJe/thumbs/thumb175x175.webp)
To perform a factory reset on your Samsung Galaxy Z Fold4, go to Settings > General Management > Reset > Factory data reset. Follow the on-screen instructions. Ensure all important data is backed up before proceeding.
If your screen is unresponsive, try performing a soft reset by holding the power and volume down buttons for about 10 seconds. If the issue persists, consider checking for software updates or contacting support.
To optimize battery life, reduce screen brightness, disable background apps, enable power-saving mode, and limit the use of live wallpapers and widgets. Regularly check for software updates that may improve battery efficiency.
To update the software, go to Settings > Software update > Download and install. Follow the prompts to complete the update. Ensure your device is charged and connected to Wi-Fi.
To enable multi-window, open the app you want to use, swipe up from the bottom to access the task switcher, then tap on the app icon and select 'Open in split screen view'. Choose another app to use in the other window.
Check the charging cable and adapter for damage. Try using a different charger and outlet. Clean the charging port of debris. If the issue persists, consider visiting a service center.
Use Samsung Smart Switch to transfer data. Install the app on both devices, connect them with a USB cable or wirelessly, and follow the on-screen instructions to select and transfer data.
To take a screenshot, press the power button and volume down button simultaneously. Alternatively, use the Palm swipe gesture by swiping the edge of your hand across the screen.
Use a microfiber cloth to gently wipe the screen. Avoid using harsh chemicals or rough materials. Ensure the device is off and unplugged before cleaning.
Enable fingerprint or facial recognition, use a strong passcode, activate Find My Mobile, and regularly check for software updates. Consider installing security apps for added protection.