Sony a6400 Mirrorless Camera - Black with 16-50mm OSS Lens

Use an SDHC or SDXC card with a Class 10 or UHS-I/II speed rating. For 4K video recording, a UHS Speed Class 3 card is highly recommended.

Download the latest firmware from the Sony support website. Follow the instructions provided to install the update via an SD card.

No, the camera cannot be charged and used simultaneously. It can be charged via the USB-C port, but it has to be turned off.

Enable Wi-Fi on the camera and connect to your smartphone. Use the Sony Imaging Edge Mobile app to transfer images.

The battery life is around 400 shots (CIPA standard). Consider carrying a spare battery for longer shooting sessions.

It is best to take the camera to a professional for sensor cleaning. Alternatively, use a blower to remove dust particles. Never touch the sensor surface.

Yes, the camera has in-body image stabilization.

The camera supports MPEG-4 and XAVC S video formats.

Check the battery and ensure it's charged and correctly inserted. Also, check that the battery door is securely closed.

Check focus settings (ensure autofocus is enabled or focus manually), stabilize the camera, and ensure the shutter speed is fast enough to prevent blur caused by camera shake or subject motion.

Make sure the lens is properly attached, select the correct AF mode for the shooting situation, and ensure the subject is within the focusing range.

Ensure you have enough space on the memory card. The camera might also stop recording if the internal temperature gets too high.

Ensure Wi-Fi is enabled on both the camera and your device. Check your network connection. Make sure you enter the correct password.