1Did you know that your Samsung Galaxy S3 has a secret menu? Did you know how cool these hidden features are? This built-in menu can make a lot of changes and tests like: test your pixels or all of your sensors, even your touch responsiveness. If you are curious to know what you can do in this menu, here what you must do to access it.To enter this menu it's pretty easy. Just access your dialer and enter the following code: *#0*# 1If you tap in this code, the above menu will pop up. As you see there are a big range of options from which you can choose. You can choose color floods, where you can isolate dead pixels on your device, or LED, camera and speakers performance.Some of them aren't so interesting, but you can open them just to see what are them about. If any of those features causes you a problem, you can easily enter that menu and test the feature, before you ship it to a service.So, what do you think about this secret menu? Have you entered and made some test? Tell us what you did or what you've changed.

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What's my model number?

There are several ways to locate your model number:

Option 1
On your device, go to Settings, then "About device" and scroll down to "Model number"
Option 2
Often times you can view the model number inside the device, by removing the battery
Option 3
Using Samsung's model/serial number location tool

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