Sony C2004 Xperia M Dual User's Guide
![Sony C2004 Xperia M Dual manual cover](/images/732e15719103697f9e8e4874/thumbs/thumb175x175.webp)
To perform a factory reset, go to Settings > Backup & reset > Factory data reset. Confirm the process and the phone will reset to its original settings. Ensure to back up your data before doing this, as it will erase all personal information.
Battery drain can be caused by apps running in the background, high screen brightness, or connectivity features like Bluetooth and GPS being active. Check and close unused apps, reduce screen brightness, and turn off unnecessary connectivity options to improve battery life.
To update the software, go to Settings > About phone > Software update. If an update is available, follow the on-screen instructions to download and install it. Make sure your phone is charged and connected to Wi-Fi during the update process.
First, ensure that Wi-Fi is enabled on your device. Restart your phone and router. If the issue persists, forget the network by going to Settings > Wi-Fi, tap on the network, and select 'Forget'. Reconnect and enter the password again.
To free up storage space, delete unused apps, clear app caches, and transfer photos and videos to an external storage or cloud service. You can also move apps to an SD card if your phone supports it.
If the touchscreen is unresponsive, try restarting your phone. If it continues, remove any screen protector or case that might interfere with touch sensitivity. If the problem persists, perform a factory reset or contact customer support.
Turn off your phone and remove the back cover. Locate the SIM card slots, insert the SIM card(s) into the appropriate slots with the gold contacts facing down, and replace the back cover. Power on your device to complete the process.
To take a screenshot, press and hold the Power button and the Volume Down button simultaneously until you see a screen capture animation. The screenshot will be saved in the Gallery.
Overheating can be caused by extensive gaming, high brightness, or running multiple apps. Let the phone cool down, close unused applications, and avoid using it while charging. If overheating persists, contact support.
Ensure that the camera lens is clean and free from smudges. Use the highest resolution settings available in the camera app. Avoid using digital zoom and ensure good lighting for better picture quality.