Xiaomi Redmi Note 10 Pro - 256 GB - Android - Wi-Fi 5 - 5020 mAh - 4G

Press the power button and the volume down button simultaneously.

Connect your phone to your computer via USB. Select 'File Transfer' or 'MTP' mode on your phone when prompted.

No, it does not support expandable storage via microSD card.

The display has a refresh rate of 120Hz.

Go to Settings > Display > Dark mode.

Yes, it has NFC (Near Field Communication) support.

The battery capacity is 5020 mAh.

Go to Settings > About phone > MIUI version, and check for updates.

Check if the battery is charged. Press and hold the power button for a few seconds. If it still doesn't turn on, try charging it for a while and then try again.

Clear the app cache and data in the settings. If the issue persists, try uninstalling and reinstalling the app.

Check which apps are consuming the most battery in the settings and adjust their usage accordingly. Reduce screen brightness and disable unnecessary features like Bluetooth and GPS when not in use.

Make sure Wi-Fi is enabled and you're entering the correct password. Try restarting your phone and router. Check if other devices can connect to the Wi-Fi network.

Close unnecessary background apps. Clear the cache and data of frequently used apps. Ensure you have sufficient storage space available.