Xiaomi Redmi Note 3 User Manual
![Xiaomi Redmi Note 3 manual cover](/images/27cb91b1650aef688bd9de18/thumbs/thumb175x175.webp)
To take a screenshot, simultaneously press the Volume Down and Power buttons until you hear a shutter sound or see an animation. The screenshot will be saved in the Gallery app under the Screenshots folder.
To extend the battery life, reduce screen brightness, turn off background apps, disable auto-sync, and use battery saver mode. Also, consider disabling unnecessary notifications and location services.
Check the charger and cable for any damage. Try using a different power outlet or charger. Clean the charging port with a soft brush to remove any debris. If the problem persists, contact customer support.
Delete unused apps, clear app caches, transfer photos and videos to cloud storage, and remove duplicate files. You can also use the built-in Cleaner app to help free up space.
Go to Settings > Additional settings > Backup & reset > Factory data reset. Confirm your selection, and the phone will erase all data and reset to factory settings. Make sure to back up important data before proceeding.
Restart your device, clear the cache, uninstall unused apps, and update the system software. Also, consider disabling animations and widgets to improve performance.
Go to Settings > About phone > System updates. Tap 'Check for updates' and follow the on-screen instructions to download and install any available updates.
Remove the phone case, close unused apps, and avoid using the phone while charging. Keep the phone in a cool, ventilated area and avoid direct sunlight. If the issue persists, have it checked by a professional.
Go to Settings > About phone and tap 'MIUI version' seven times until you see a message confirming developer options are enabled. The developer options will be available under Additional settings.
Go to Settings > Wi-Fi, turn on Wi-Fi, and select the network you wish to connect to. Enter the network password if prompted, and tap 'Connect'.