It can happen to you at your Samsung Galaxy S6 that get problems with focusing while trying to take photos. The camera of the Samsung Galaxy S6 does not properly focus on an object, even if you select it in the live image. The error in this case is the focus of the camera. In general, there are only two possibilities.
1. The object is too close to the lens of the Samsung Galaxy S6
At macro shooting, it can happen to you that you are not located within the focus area. Here the camera of the Samsung Galaxy S6 can unfortunately be unable to focus on the desired object
2. Check the focus of the camera with the test menu of the Samsung Galaxy S6
Open on the Samsung Galaxy S6, the phone app and switch to the "keypad". Tap the following code with the keys, so you get to the secret service menu by Samsung: *#0*#
You see now a summary screen with various categories in which you can perform hardware tests on the Samsung Galaxy S6. These are controlled via the standard drivers, so you can find out, if a hardware component is still functioning properly. In our case it is the camera focus module. Tap the tile "Mega Cam" to test it.
Does your Samsung Galaxy S6 camera focus here without any problems, then there is a problem with the camera app from Android. Possible solutions are then a wipe cache or a factory reset.
3. The camera of the Samsung Galaxy S6 manages not to focus on an object in a normal environment
If that's the case, then check whether your focus the camera gets to work by shaking the Samsung Galaxy S6. Since the Samsung Galaxy S6 has built in optical image stabilizer shaking the device can help. Has this OIS jammed, then it cannot focus properly on an object. In this case we recommend you to take the warranty or the right of return your Samsung Galaxy S6 in any case. Because this error is unfortunately appearing again and again, because there is a mechanical defect.
We hope that your Samsung Galaxy S6 camera dissolves no defect and that it is only written to a software problem as described in point 2.