If you're looking for a high-end mobile phone, two of the most popular options on the market are the Apple iPhone and the Samsung Galaxy S series, running on Android.Įach year these phones compete with the latest features, camera technology and designs at the premium end of the market, with the very best handsets costing upwards of £1,000. There's no point in installing a duffer.Apple and Samsung are the titans of the smartphone world, but which is the best brand to go for? Here, we explore the features that separate the two. Read the reviews carefully though: some camera apps are better than others.

Still no joy? Dump the app altogether and try the excellent Google Camera (KitKat or later required) or one of the many wonderful third-party camera apps out there. Make sure you take backups of anything you need first, as this will return your phone to factory-fresh condition without any of your stuff on it. Nothing? Time for the nuclear option: a factory reset. This won’t delete your data but it should reset the app’s cache, which should solve the problem. Once you see the Android Recovery screen, navigate to Wipe Cache Partition using the volume down key and use Power to select it. Once the phone vibrates, let go of Power but keep the other two buttons pressed. To do that, turn off your phone and then press and hold Volume Up, Power and Home.

If it didn’t, step two is to clear the cache partition. Reboot your phone and see if that worked. Don’t worry: this won’t delete any of your photographs, but it will delete your camera’s settings so you’ll need to set those again.

Now tap on Force Stop, then Clear Cache, then Clear Data. Scroll down to the Camera app and tap on it. Go into Settings > Applications Manager and then swipe left for All Apps. You can often solve that with a fairly simple bit of housekeeping. In many cases, the 'camera failed' error occurs because the Camera app has got itself into a bit of a mess.

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