A21s

[zein00]

When I call the screen don't go off is there thing to make in setting please answer

[Amira-elnagar]

Hello zein00. I’m Amira, Samsung Moderator
we thank you very much for asking your question

I recommend that you perform a steps to resolve this issue using the

steps:-

1. Enter code *#0#

2. Choose red, green, or blue on the test page to test the quality of the screen

3. If you find that the issue still persists even with the test, so kindly visit the nearest service center

Kindly send us your address to provide the nearest service center or you can find it following the below link:

http://www.samsung.com/eg/support/servicelocation/

Hope issue solved as soon as possible

Thanks

[zein00]

Code is wrong why

[Sara-nader]

1. Enter code *#0#

2. Choose red, green, or blue on the test page to test the quality of the screen

3. If you find that the issue still persists even with the test, so kindly visit the nearest service center

Kindly send us your address to provide the nearest service center or you can find it following the below link:

http://www.samsung.com/eg/support/servicelocation/

Hope issue solved as soon as possible

Thanks

[zein00]

Where