Did you know about this hidden menu on Samsung Galaxy smartphones?

Hidden pieces of code have been a part of computer software for decades. Referred to as easter eggs, they show up when a specific (and usually undocumented) set of commands is given – in Android, for example, tapping several times on the device's firmware version displays a secret screen. What we're about to go over, however, is not an easter egg. It is a hidden menu found on Samsung Galaxy smartphones and it can be used for checking whether the device is in good working order.

So by now you're probably wondering how to access this secret menu. Well, you do that by opening the Phone app and entering the code *#0*# as if you were to dial it. The said menu will appear as soon as you input the last symbol.

Most of the options listed in this secret menu aren't particularly interesting. For example, Red, Green, Blue, and Black let you check the screen's output for flaws, such as stuck pixels or color irregularities. But hit Sensor and you'll be taken to a cool-looking screen where raw data from your phone's sensors is displayed. Also, there are graphs visualizing readings from your accelerometer, gyroscope, and compass. Oddly, if you hit Image Test you'll be shown a picture of a chihuahua. This means there's a photo of someone's pet dog hidden in millions of Galaxy smartphones, as silly as it may seem.

The Touch test can be useful if you have doubts about your touchscreen's accuracy. Each rectangle where a tap is detected is highlighted, and your finger's trace is represented by a black line. There's also the Sub key test for checking whether the phone's capacitive keys are in order. The Receiver test checks the earpiece for malfunctions, and the Speaker test blasts a mysterious pop song through the loudspeaker.

So that is Samsung's hidden test menu found on Galaxy handsets. If you're feeling adventurous, feel free to check it out or to search for other secret codes at your own risk. Got any codes you'd like to share? The comments section is all yours!

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43 Comments

1. DogeShibe

Posts: 1121; Member since: Jan 10, 2014

Know this since 2010.

18. Mxyzptlk unregistered

Not everyone may have known that.

32. Ohrules

Posts: 327; Member since: Jun 11, 2012

how about *#*#4636#*#* ?

36. pegasso

Posts: 285; Member since: Nov 27, 2011

according to my personal experience, not all Galaxy phones support *#*#INFO#*#* hidden menu.

41. osamahija

Posts: 5; Member since: Apr 27, 2014

ME too

2. realhumanbeing

Posts: 53; Member since: Oct 18, 2014

I'll leave PA alone til MWC '15.

3. hmd74

Posts: 539; Member since: Jan 31, 2013

It's not just for Galaxies! works on all Samsung phones

33. Ohrules

Posts: 327; Member since: Jun 11, 2012

i can confirm that works even on the DUMBEST samsung phones

37. pegasso

Posts: 285; Member since: Nov 27, 2011

yup. it works on virtually every Samsung phones. i remember those hidden menu also worked on my good old WinMo-powered Samsung Omnia few years ago.

4. VLaRueC

Posts: 189; Member since: Dec 18, 2012

Didn't work on my note 3..

7. Planterz

Posts: 2120; Member since: Apr 30, 2012

Works on mine.

11. sckisor

Posts: 7; Member since: Sep 27, 2012

Doesn't work on my Note 2 either (Verizon)

34. Psykotik_Dragon

Posts: 81; Member since: Dec 21, 2013

Verizon disables that diagnostics menu...sorry :(

38. Planterz

Posts: 2120; Member since: Apr 30, 2012

Mine's from T-Mobile. Why the heck would Verizon disable this menu?

6. Anonn

Posts: 230; Member since: Jun 04, 2014

Works fine on Note 3 international. Nice low level tests

8. Azonx8472

Posts: 30; Member since: Apr 13, 2013

You can enter that same code in calculator in samsung tablets to get the same hidden menu.

9. gagakiller

Posts: 176; Member since: Oct 08, 2014

iPhone 6 plus is the most amazing phone ever ! it is a fact

12. Neo_Huang

Posts: 1067; Member since: Dec 06, 2013

Until it bends or the battery dies.

13. jesusnexo unregistered

what about the iPhone 8 or the galaxy note 10? or the galaxy alpha 4 or the moto X 2018? since "ever" means the best from the past and the future.... see? dont say stuff like that, whether is android or apple it just makes you look stupid

19. BlackhawkFlys

Posts: 898; Member since: May 07, 2014

Wow this is the most relevant comment on this topic....

26. Spedez

Posts: 542; Member since: Aug 29, 2014

Go bending it someplace else.

27. boot2arse

Posts: 3; Member since: Oct 27, 2014

The only way i would ever buy an iphone, if the case is made of adamantium and has a shatterproof sapphire display. The only company in the world who has the nuts to charge its loyal customers 3 x the cost of manufacturing and gets away with it time and time again.

28. cnour

Posts: 2305; Member since: Sep 11, 2014

You are right, best phone in the market. This is a reality and we must live with.

40. EliteProximity

Posts: 4; Member since: Jul 06, 2014

The best phone is the Note 4. it obliterates the specs of the iPhone.

10. gigaraga

Posts: 1454; Member since: Mar 29, 2013

Use it often, especially on my Note 3. Awesome hidden feature to test sensors and what not.

15. simpleas

Posts: 196; Member since: Apr 30, 2014

First of all, it works on my Note 4....... second, I don't know how to turn it off. Edit: double clicked the back key.

16. TechieXP1969

Posts: 14967; Member since: Sep 25, 2013

Has never worked on Verizon models of phones

25. Noneyabusi

Posts: 2; Member since: Oct 26, 2014

Well of course not Verizon locks the phone down so tight no one but them have access. They are nothing but GREADY POWER HAPPY CONTROL FREAKS who think only they have the right to do stuff with your phone.

17. Jeradiah3

Posts: 1149; Member since: Feb 11, 2010

It will work on the Note 4. I just did it myself

20. elitewolverine

Posts: 5192; Member since: Oct 28, 2013

Yup use it all the time when customers come in complaining about a 'feature' of their device and all they are wanting is a new one cause their corner of their device is chiped. So I pull up the menu, make sure all is fine, and tell them sorry your device works.

* Some comments have been hidden, because they don't meet the discussions rules.

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