Samsung Galaxy S10 smartphones launched with excellent features, including some of the best cameras in the smartphone industry. However, some users complained about several glitches and bugs regarding the Galaxy S10 cameras. In this post, I will try to help you fix “warning camera failed” error on Galaxy S10, S10E, and S10 Plus.

Commonly, the so-called “warning camera failed” error appears due to some third-party apps conflicts or software-related glitches. Accordingly, you can fix this bug on your own, without needing professional assistance. That, obviously, in case the damage is not at the hardware level due to a drop or broken camera.

How to Fix “Warning camera failed” Error on Galaxy S10, S10E, and S10 Plus

Forced quit the camera application

Sometimes, the so-called “warning camera failed” error is caused by a minor glitch inside the camera app. Accordingly, you can quickly fix that bug with a forced quit operation. Here’s how to do that:

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  • On any Home Screen panel, swipe up or down to open up the apps menu
  • Go to Settings -> Apps
  • Make sure to select all from the upper-left of the screen
  • Find the camera app and select it
  • Tap Force Stop
  • Confirm your selection

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Force restart your Galaxy S10

In case the previous method is not working for you, then, before trying anything else, you should force restart your Galaxy S10 device to fix the “warning camera failed” error. Here’s how to do it:

  • Press both Volume Down and Power buttons for about 10 seconds until the Android logo appears on the screen
  • If the Maintenance Boot Menu pops up, choose Normal Boot
  • Allow the smartphone to restart

However, once the Galaxy S10 reboots, don’t rush to open the camera app. Wait for at least 90 seconds before doing that.

Reset app preferences

Sometimes, some applications might not perform as usual due to some faulty app preferences. You can try to fix “warning camera failed” error on Galaxy S10, S10E, and S10 Plus by performing a reset app preferences operation:

  • Go to Settings -> Apps
  • Tap on “More Setting” – the three dotted icon on the upper right of the screen
  • Go to Reset App Preferences
  • Confirm the selection

Enter Safe Mode

To see if any third-party applications are causing the camera app to lag or even stop working, try using the camera application in Safe Mode.

Here’s how to enter Safe Mode on Galaxy S10, S10E, and S10 Plus:

  • Turn off your Galaxy S10 smartphone
  • Hold the Power button key and release it when the SAMSUNG logo appears on the display
  • Right away, press and hold the Volume Down button
  • Hold that key until the smartphone restarts, and the Safe Mode text appears in the bottom left corner

If your camera app works while in Safe Mode, then there is a third-party app that’s causing the “warning camera failed” error. You can try uninstalling any suspicious application that might conflict with the camera.

Install firmware updates

If the “warning camera failed” error is due to a firmware-related bug, Samsung might have already been aware of it, and the company could’ve rolled out a firmware update. Check for updates on Settings -> Software Update

Master reset

If none of the previous methods helped you fix “warning camera failed” on Galaxy S10, S10E, and S10 Plus, then the last resort in solving this issue that you might have is performing a master reset on your Samsung Galaxy S10 smartphone.

Here’s how to hard reset your device:

  • Shut down your device
  • Press and hold the Volume Up button and the Bixby button for a couple of seconds, then press and hold the Power key without releasing the first two
  • Once the green Android logo appears on screen, release the buttons to allow the system to enter the Android system recovery menu
  • Using Volume buttons to browse the list, go to “Wipe data/ Factory reset,” and select the option with the Power key
  • Confirm the selection until Android starts rebooting
  • Once that’s done, the “Reboot System Now” message should pop up
  • Select to restart your device

Once your smartphone reboots, check if this method helped you fix “warning camera failed” error on Galaxy S10, S10E, and S10 Plus.