Sorry to hear that, about your experience with the recent updates on your Samsung Galaxy A51 having lagging issues with the camera and we apologize for the inconvenience it caused you.
Before you try out the recommendations below, be sure to check if your device's software and related apps are updated to the latest version. To update your mobile device's software, follow these steps:
Step 1. Go to Settings > Software update.
Step 2. Tap on Download and install.
Step 3. Follow the on-screen instructions.
Step 4. Reset your device.
If does not work, Reset the Camera app.
Step 1. Open the Camera app.
Open the Cameraapp, and then tap Settings.
Step 2. Reset the camera settings.
Scroll down to and tap Reset settings, and then tap Reset.
If it still doesn't work, you can submit an error report through Samsung Members app as follows:
Step 1.Long press Samsung Members icon on Apps screen and tap Error reports.
Step 2. Tap OK on agreement popup to send system log data.
