1. Eric The Duke's Avatar
    Has anyone noticed any problems with their gyroscope? When I take a picture the framing hint that helps you take a level picture seems to show 1 degree when I'm almost certain the phone is level.
    11-29-2020 10:02 PM
  2. N4Newbie's Avatar
    A 1 deg slope over the length of your phone is only about 0.010 rise - the thickness of a few sheets of typical copy paper placed under one end of the phone. Over a 50 foot image width, it works out to about 10 inches.

    Are you *sure* your phone is level?
    11-30-2020 12:38 PM
  3. Eric The Duke's Avatar
    I am working on getting a level so I can confirm. But when I hold the phone at 1 degree it feels level to me. When I hold it at 0 degrees it feels ever so slightly tilted. I will report back once I have a level to confirm.
    11-30-2020 07:56 PM
  4. mustang7757's Avatar
    Not seeing issue on mine, but try reset the camera by clearing it's data and then force stop it .
    11-30-2020 08:31 PM
  5. N4Newbie's Avatar
    The simplest way to check a level for accuracy:

    Place the level (or, in this case, your phone) on a flat surface. For example, use the side of the phone that does not have any buttons or other protrusions and place that flat on a table. Do it near the edge of the table or against a moderately unmovable object. Now, make a note of the reading.

    Turn the level (your phone) 180 degrees around and place it in the exact same location. It should give the exact same reading. If, for example, the table was a short leg and is off by 5 deg when the phone is turned one way, the table is still off by 5 deg when the phone is rotated 180 deg. Does that make sense?

    If you get two different readings or it says -5 deg one way and +5 deg when repositioned, something is wrong with the phone. If the readings are the same, then your phone is fine.

    This relates to carpenter's levels, but the theory is exactly the same: https://www.johnsonlevel.com/News/QAonLevels
    12-01-2020 02:40 PM
  6. Eric The Duke's Avatar
    I'm not sure I understand what you are saying. If I use my phone as a level in the way you are saying and I get the same reading twice, doesn't that just show that the level is consistent? That doesn't necessarily mean it is accurate?
    12-01-2020 10:19 PM
  7. N4Newbie's Avatar
    I'm not sure I understand what you are saying. If I use my phone as a level in the way you are saying and I get the same reading twice, doesn't that just show that the level is consistent? That doesn't necessarily mean it is accurate?
    Here's another way to look at it - the instruction manual for a digital level: https://www.johnsonlevel.com/files/m...h%20manual.pdf

    Scroll down to section 6. As you will see, the directions are essentially the same as I described earlier and it says that if the two readings obtained are within 0.2 deg, then the level's calibration is ideal.

    Since you get the same reading twice, your phone's horizon sensor seems to be just fine.
    12-02-2020 09:20 AM
  8. N4Newbie's Avatar
    PS: I do see one problem here, however. The horizon view in my Pixel 4XL does not show + or - regardless of tilt; it only shows a whole number. I can see where that might make it difficult to know for certain what the camera is telling you.

    You could try installing a bubble level app such as this one https://play.google.com/store/apps/d...ma.bubblelevel which will give you positive and negative readings from true level. Easier to see what is going on that way.
    12-02-2020 09:59 AM
  9. Eric The Duke's Avatar
    I think I just confirmed the problem I am having with the gyroscope. I borrowed a Pixel 3a from someone. When I placed that phone and my phone on surfaces that I know are level, the 3a would show zero degrees and my phone would show 1 degree. I think I will try and get my phone replaced.
    12-03-2020 08:55 AM
  10. N4Newbie's Avatar
    I think I just confirmed the problem I am having with the gyroscope. I borrowed a Pixel 3a from someone. When I placed that phone and my phone on surfaces that I know are level, the 3a would show zero degrees and my phone would show 1 degree. I think I will try and get my phone replaced.
    Is your phone in a case? Do you get the same result out of the case?
    12-04-2020 11:44 AM
  11. Eric The Duke's Avatar
    Is your phone in a case? Do you get the same result out of the case?
    All my testing was done with my phone out of the case.
    12-04-2020 06:23 PM
  12. Eric The Duke's Avatar
    This is frustrating. Google has sent me a replacement. The replacement is worse than the first phone. On a level surface, the phone now reads at 2 degrees. I have both phones with me and it's really obvious on the 2nd phone.
    12-09-2020 04:46 PM
  13. mustang7757's Avatar
    12-10-2020 09:21 PM
  14. Eric The Duke's Avatar
    I just received another replacement today. I have checked it with a level and it has the same issue. I'm beginning to think this a wider issue as this is my third phone with this problem.
    12-23-2020 11:36 AM
  15. N4Newbie's Avatar
    I just received another replacement today. I have checked it with a level and it has the same issue. I'm beginning to think this a wider issue as this is my third phone with this problem.
    So, I wonder where within the phone the "horizon" indicator is generated. Is it integral to the camera assembly? Or, does it rely on some other sensor?

    If it is integral to the camera assembly, then a very small mispositioning of the camera when it is assembled onto the mainboard may be the root cause of this issue.

    I'd like to know what a an app like Sensor Toolbox (https://play.google.com/store/apps/d...atools.sensors) reports for the Orientation sensor. I notice that, with my 4XL, if I shake the phone up a bit and then place it on a level surface, it takes quite some time for the Orientation sensor to settle down into the near-zero range but never quite gets there.
    12-23-2020 12:01 PM
  16. Mike Dee's Avatar
    I just received another replacement today. I have checked it with a level and it has the same issue. I'm beginning to think this a wider issue as this is my third phone with this problem.
    Have you calibrated the level in your device app?
    12-23-2020 01:23 PM
  17. N4Newbie's Avatar
    Have you calibrated the level in your device app?
    Is that something new with the Pixel 5? I'm not aware of any native OS tool for calibrating sensors (other than the figure-8 method of calibrating the internal compass).
    12-23-2020 02:09 PM

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