Shutter lag

Dear Samsung Member,

Greetings from Samsung Customer Support!

As per your concern, we would request you to kindly perform the following steps to resolve your issue.

Kindly check the space on your device:
Path: Settings > Battery and device Care > Storage
To improve the device performance there should be sufficient space.

Is there any unnecessary application running in the background?
Kindly close the background running applications in the device (Tap the left side key & close the background running application).

Kindly uninstall that application by following the below steps and check once as the issue might occur due to third-party applications: Settings> Apps> Select the third-party application from Apps> Uninstall.

Kindly check if you are using a memory card on your device.
If you are using the memory card on your device. we will advise you to safely remove it from your device. For this follow the below steps:

Step 1: Before removing the memory card, first, unmount it for safe removal.
On the Home screen, tap Apps > Settings > Device maintenance > Storage > More option > Storage settings > SD card > Unmount. Insert the ejection pin into the hole on the tray to loosen the tray.
Note: Ensure that the ejection pin is perpendicular to the hole. Otherwise, the device may be damaged.

Step 2: Pull out the tray gently from the tray slot.
Step 3: Remove the memory card.
Step4: Insert the tray back into the tray slot

Note: Please ensure that the memory card is not removed while the device is transferring or accessing information. Doing so can cause data to be lost or corrupted or damage to the memory card or device.
Samsung is not responsible for losses that result from the misuse of damaged memory cards, including the loss of data.

Reset the camera settings: Home screen tap on Camera>Settings>Reset settings>Reset.
Clear camera application data: Apps>Camera>Storage>Clear Data.
Check app cache: Settings > Apps > Camera> Storage > Clear Cache.

Update the software if available: https://www.samsung.com/in/support/mobile-devices/samsung-galaxy-smartphone-how-to-update-software/

Reset your device: https://www.samsung.com/in/support/mobile-devices/samsung-galaxy-mobile-how-to-perform-a-factory-reset/

In case the issue still occurs, please visit the service center for a physical inspection of your device. You can locate your nearest service center with this given link: https://www.samsung.com/in/support/service-center/

Warm Regards,
Samsung Customer Support

This helped me: https://youtu.be/9bNzIP4kGTc