Secret Diagnostic Test Mode On Samsung Galaxy Watch 3 & Active 2!



This is an in-depth video about all the secret codes that work on any Tizen OS smartwatch including the latest Galaxy watch 3, Galaxy watch active 2 & others. I have also shown codes to enter the test mode with all the functions & sensors that you can test in the test mode as well as all the hidden features. I have also shown how to access the secret dialler to enter the codes. This video is jam packed with all the details you don’t want to miss out on. So please like & share this video as much as you can & comment down bellow any questions you have or future suggestions.

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0:00 Chapters
0:48 Free Giveaway Alert
1:34 Access Diagnostic test
2:09 Secret Codes
4:00 Code For Test Mode
4:28 Display Test
5:02 Vibration Test
5:16 Accelerometer Test
5:50 Barometer Test
6:14 Ambient Light Sensor Test
6:44 Gyroscope Test
7:14 Rotary test
8:17 Touchscreen Test
8:43 Speaker Test
8:57 Buttons Test
9:17 Firmware version Test
9:32 Heart Rate Monitor Test
10:41 Wireless Charging Test
11:09 Mic Test
11:24 SPK Loopback

#GalaxyWatch3 #GalaxyWatch3SecretDialler #GalaxyWatch3TestMode

18 Replies to “Secret Diagnostic Test Mode On Samsung Galaxy Watch 3 & Active 2!”

  1. Enrique Vergara

    Great video! The test mode is very useful, thank you. Do you know if there is any test for the sensor embeded in the top button? (I have an Active 2), that sensor is used for reading the ECG it doesn't seem to work in my watch, so I'd like to test it. Thanx again.

  2. Kenneth Gettings

    Hi, after watching your vid I decided to checkout the diagnostic mode. After entering the code I tried the first few tests but then got stuck on the accelorameter screen. I was unable to go fwd or back and had to switch off my watch in order to reset. Is there a reason why this happened

  3. Tony

    Question I'm unable to get into the test mode. I can dial the *# and so forth but nothing happens. Wondering if you have any experience of this. Reason I ask because the watch has shown that the watch is experiencing that it is hot and went into airplane mode for a bit and then returned to normal after a bit again. So you know that the watch is brand new 3 days old and I happen to be on a call when this happened and lost the call also. Any Suggestion would be appreciated.

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