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Mystery of the sliding Lumia 920: phone develops a mind of its own when lying flat

Posted: , by Daniel P.

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Mystery of the sliding Lumia 920: phone develops a mind of its own when lying flat
Owners are reporting that they have witnessed their Nokia Lumia 920 just slide away when lying flat on some surfaces, dropping on the floor as a result. Now, the phone is built like a tank, and nothing happened to it when it slid, but it wasn't vibrating with notifications or anything that would cause it to move while just standing still.

In the video below, the forum member Cheyenne Price documented the time when his Nokia Lumia 920 got possessed by the joy of motion, lying face down on the lid of his Dell laptop. The handset starts slowly sliding towards the edge of the computer, ready to tip over towards the carpet.

There is a pretty probably explanation to all this, which another forum member, mparker, gave about the mystery of the sliding Lumia 920:

This is simple physics. In your video (thanks for posting the link btw) the phone is face down, on a laptop. The screen on the L900 is a low-friction surface, and the plastic on those dells is also a low-friction plastic. This means that absent some mechanical restraint, the phone will slide at fairly low angles. Between the foundation, table, and laptop there's enough tolerance stacking going on that the top of that Dell is likely to be significantly tilted. Have you put a level on it to verify that it's as flat as you think?

Here's another experiment for you: Put an ice cube on top of the Dell. See if it slides off on its own as it starts to melt. It's the same principle.

The thing is that the Lumia 920 is heavier than today's average smartphone, so gravity is working overtime with it to make the sliding happen, especially if the surface it lies on is not utterly flat, and the friction with the phone is low. 

Other users are reporting similar experiences with different handsets, too, like the HTC 8X Windows Phone, and you might have experienced the same thing with a phone of your own, too. If so, sound off in the comments. One thing is for sure - the attention to minute Lumia 920 details seems to be reaching iPhone and Galaxy S line levels.


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posted on 10 Dec 2012, 04:39 5

1. MeoCao (unregistered)


I think this has something to do with the wireless charger of 920. It may interact with magnetic field of the laptop.

posted on 10 Dec 2012, 04:50 10

2. eisenbricher (Posts: 971; Member since: 09 Aug 2012)


lol no, it was happening due to the low friction between smooth surfaces of Laptop and the phone screen. Small vibration from the spinning HDD of laptop caused it to slide. Check on wpcentral.

posted on 10 Dec 2012, 06:07

16. MeoCao (unregistered)


LOL!!

posted on 10 Dec 2012, 13:19 4

26. eisenbricher (Posts: 971; Member since: 09 Aug 2012)


What LOL? Your hate antennas tingling?

posted on 10 Dec 2012, 22:01 1

32. Nadr1212 (Posts: 741; Member since: 22 Sep 2012)


It's probably some effect that happening, like the ones in movies

posted on 10 Dec 2012, 04:52 14

3. Thephonegeek (Posts: 118; Member since: 22 Nov 2012)


Oh my God Lumia 920s are possessed by VooDoo majic. Be careful. Hahahaha.

posted on 10 Dec 2012, 05:09

5. johnbg92 (Posts: 4; Member since: 06 Feb 2011)


Burn the witch!

posted on 10 Dec 2012, 05:00 5

4. apexKBC (Posts: 92; Member since: 10 Dec 2012)


The all new Nokia Lumia Slide20

posted on 10 Dec 2012, 05:11

6. terter (Posts: 9; Member since: 25 Sep 2012)


Of course the most important factor here is the vibration of the laptop caused by the HDD and the fan.

posted on 10 Dec 2012, 05:13 4

7. jubbing (Posts: 150; Member since: 20 Aug 2008)


Why would you put ANY phone face down on it's screen? Am I the only one who freaks out if there's even a tiny scratch on the device?

posted on 10 Dec 2012, 05:18 9

8. regkilla (Posts: 83; Member since: 13 Sep 2012)


The screen can't easily scratch on the Nokia Lumia 920.

posted on 10 Dec 2012, 05:25 4

9. dickwyn (Posts: 595; Member since: 07 May 2012)


and even though it dropped on the floor the screen wont be harmed

posted on 10 Dec 2012, 05:41 1

12. jubbing (Posts: 150; Member since: 20 Aug 2008)


So what? That's the same as most newer phones with Gorilla Glass 2 Screens. Does that mean feel free to throw the device around on it's face?

posted on 10 Dec 2012, 06:06 1

15. TROLL (banned) (Posts: 4851; Member since: 13 Apr 2012)


Failed technology, they produced the phone in a hurry into the market, cause eflop had few months to prove WP8 will succeed™®©

posted on 10 Dec 2012, 06:36 9

18. jubbing (Posts: 150; Member since: 20 Aug 2008)


Actually 'troll' it is already succeeding all over the world.

posted on 10 Dec 2012, 21:29

29. steelicon (Posts: 313; Member since: 02 Apr 2011)


Except the biggest market of them all = China.http://www.phonearena.com/news/1.1-billion-Chinese-use-cellphones-Android-owned-90.1-of-the-Chinese-smartphone-market-during-Q3_id37229

1.1 billion Chinese use cellphones; Android owned 90.1% of the Chinese smartphone market during Q3

posted on 11 Dec 2012, 01:14 1

33. jubbing (Posts: 150; Member since: 20 Aug 2008)


Moron, they haven't launched the Lumia 920 in China yet.

posted on 11 Dec 2012, 03:32

34. steelicon (Posts: 313; Member since: 02 Apr 2011)


"Moron, they haven't launched the Lumia 920 in China yet."

Exactly.

posted on 10 Dec 2012, 05:28 4

10. lintek (Posts: 8; Member since: 08 Jun 2012)


This is just another AD, the Samsung Galaxy S3 is still the King! LOL!

posted on 10 Dec 2012, 06:00 3

14. TROLL (banned) (Posts: 4851; Member since: 13 Apr 2012)


Undisputely it is the king™®©

posted on 10 Dec 2012, 05:32

11. Edmund (Posts: 656; Member since: 13 Jul 2012)


slow news day?

posted on 10 Dec 2012, 05:41

13. dickwyn (Posts: 595; Member since: 07 May 2012)


isn't Nexus 4 and Optimus G users facing the same problem ?

posted on 10 Dec 2012, 06:24 2

17. Tsepz_GP (Posts: 822; Member since: 12 Apr 2012)


Lol, was this really news worthy?
My GS3 does tend to slide due to the smooth back cover so even on surfaces that arent at a steep angle it does tend to slide more so than my S2 did.

posted on 10 Dec 2012, 06:43

19. SonyXperiaNexus (Posts: 374; Member since: 01 Oct 2012)


hmmm... a phone with a mind of its own, now thats what i call a smartphone!

posted on 10 Dec 2012, 06:49

20. bayusuputra (Posts: 941; Member since: 12 Feb 2012)


No, it's jedi Power built into the phone.. Connected to your mind through Qi..

posted on 10 Dec 2012, 07:07 2

21. steelicon (Posts: 313; Member since: 02 Apr 2011)


Probably the Microsoft Lumia 920 is so disappointed that Android is 90% of the market in China, the single biggest market in the world, that it want to commit suicide in shame.

Not even all the sales of every SKU combined of Microsoft Lumia can overtake Symbian, S40 and MeeGo.

posted on 11 Dec 2012, 08:24

35. eisenbricher (Posts: 971; Member since: 09 Aug 2012)


Are you some butthurt Symbian employee from Nokia who got kicked out?

posted on 11 Dec 2012, 10:42

36. steelicon (Posts: 313; Member since: 02 Apr 2011)


No. Just a person who collects data and facts, not a fanatic of some cult or anything.

http://communities-dominate.blogs.com/brands/2012/12/android-won-windows-lost-now-what-the-battle-of-the-century-is-decided-microsoft-relegated-to-ever-s.html

Are you a cult leader of some sort?

posted on 10 Dec 2012, 08:02

22. k4j98 (Posts: 60; Member since: 12 Jul 2012)


An ice cube is a little different that this...

posted on 10 Dec 2012, 10:58

23. frustyak (Posts: 158; Member since: 08 Mar 2010)


Call the Ghost Adventures crew to investigate. Probably the ghost of the late Steve Jobs haunting WP8.

posted on 10 Dec 2012, 11:31

24. hobble (Posts: 130; Member since: 11 Oct 2011)


I bet it was the ghost of steve jobs

posted on 10 Dec 2012, 12:59

25. frustyak (Posts: 158; Member since: 08 Mar 2010)


Every single previous comment has at least one little red thumbs down next to it?

posted on 10 Dec 2012, 14:35

27. TheOldOne (Posts: 95; Member since: 29 Mar 2012)


what's so special about it: put you phone on a table, make sure is set to vibrate and have someone to call you, voila!

posted on 10 Dec 2012, 21:35

31. -box- (Posts: 3820; Member since: 04 Jan 2012)


RTFA. No vibration involved.

posted on 10 Dec 2012, 18:10

28. MC1123 (Posts: 1242; Member since: 12 Nov 2012)


nice...but heck..i hate physics!

posted on 10 Dec 2012, 21:34 2

30. -box- (Posts: 3820; Member since: 04 Jan 2012)


"One thing is for sure - the attention to minute Lumia 920 details seems to be reaching iPhone and Galaxy S line levels"; you mean iphones and galaxies are starting to reach Nokia levels? Nokia has been in the business a lot longer than the other two and has legendary attention to detail and hardware quality.

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