AirPods Pro Ear Tip Fit Test fail (seal is actually good on both sides)

Ear tip test for me got passes on both ears straight away and multiple times with both medium and large tips on first couple days after I got them

However, since then, the left consistently fails the test when I check despite the left bud being just as sealed as the right one with identical sound as the right whether ANC/transparency/off selected. Medium and large tips have same result - left fails the tip test every time. Tried un-pairing from iPhone, resetting the pods the setting up again, but no different.

My thoughts are a glitch in the code for the ear tip test that goes wrong after a few days and a future release will solve.

Contacted Apple Support yesterday who had agreed they have seen reports of this already. They got me to send them a full set of logs from iPhone for analysis then will get back to me once their engineering team takes a look.

Very happy with product generally and no problem with function or sound quality.

But something to keep an eye on...

iPhone XS Max, iOS 13

Posted on Nov 8, 2019 8:30 AM

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Posted on Dec 17, 2020 10:35 AM

I can confirm the Loctite Fun-Tak solution worked for me. I now have the good seal on Fit Test for first time since week 1 of owning them. I had the same deal as a lot of people on here - the fit test worked for the first few weeks, then failing each time I've tried since then. (I've had them about 3 or 4 months now). I picked up some Loctite Fun-Tak and went to work.


It was a trial and error, as I didn't know how much I had to press and pull, I used the magnifier on iPhone to check my progress. I finally ended up with a 100% clean sensor screen, and the fit test started working. What I found best was covering the sensor with the putty, apply some pressure, and quickly rip it off (like a stuck band-aid). I also did some rapid-fire dabbing as well. A combination of those techniques cleared the crud out. (note: don't press so hard that you get putty stuck in the grooves... I did that at first but was able to get it back out).


For a comparison, like I mentioned above, I used the Magnifier tool on iPhone to view a "before" and "after". Note that you can't see any of this with the naked eye, you really need to magnify it. Here's a before and after. (The "before" looks pretty gross - the grooves are filled with dead skin, oil, wax, whatever it is). The "after" shows them very clean. I shower every day and wash my ears out just like everybody else, but this shows it may be time to start Q-Tipping each day as well, to further my effort in keeping the AirPods clean.


Before: Note the crud stuck in the sensor grooves/dimples, and also around the perimeter:




After: Note the entire sensor is clean:




For those of you doing the "suck out the crud" method, after seeing this you may think twice about that now :D


116 replies

Nov 26, 2019 12:11 PM in response to ajsim

I exchanged mine at an Apple Store when I could not get a good seal. The new ones immediately gave a good seal. After about a week, I am seeing the left one fail indicating no seal. Maybe it is accumulating dirt over time?


Also, I can tell as soon as I put them in if I’m going to get a green indicator of a good seal. I always have NFC on. When I put them in, with NFC ON, the NFC is either working well or not. When working well, it always passes. If the NFC doesn’t seem to be working fully, I get a bad seal test. Maybe this is an indicator that the mic is working properly (and not clogged up)?


When I first bought them, went back an forth trying the different tips. The holder for the extra tips is paper. When I removed (I think the large ones), a thin later of paper from the top of holder came off and was stuck on that tip of the AirPods Pro so, of course, there was no sound from that ear and there is a safety issue with small paper discs in your ear!

Jan 6, 2021 8:15 PM in response to Dell_K

I think there is something wrong with the electronics or software for this tip test. For reasons I won't go in to, I've had 3 different sets of airpods pro with the same trouble. Just like yours, except it's my right airpod. Great fit test right out of the box and for a day or two, then the right one consistently fails no matter what I do. 3 different sets can't be a coincidence, and I don't think my ear canal is changing each time.

Nov 16, 2019 6:35 AM in response to Dell_K

I experienced the exact same thing. The ear tip test passed for me using the medium tips for a couple of days. Then the left started to fail the test and now both fail consistently (as do the small and large tips). I have no idea if it is degradation of the tips or something in the software/firmware of iPhone and AirPods Pro. The testing is very erratic even doing it multiple times in a row. These sound great and the failed test bothers me because it makes me think I can get better sound and noise cancellation but in reality there is nothing wrong. So providing a unreliable/erratic test suggests a problem with the hardware when there probably isn’t one at all!

Nov 22, 2019 8:58 AM in response to Dell_K

I will return them back. They only gave us 3 sets. Usually everyone else provides 6 sets. I tried for hours and non of the tips worked. Apple say that it will not provide NC if the seal is no good.

That means we are not getting a full NC when the seal is not complete. I was not able to get a good fit after I tried every tip.


I am sure they are working now on Airpods Pro2 so I am glad I returned it.

Feb 11, 2020 11:13 AM in response to alex737

A smart salesperson in Bellevue said that this test is for nothing! They should not even have this on the app since it will either work or fail each time. The only time your can get good seal if you put a pressure on earbuds. So I do not care anymore. I use Broski Leta ($100.00) light headsets not to listen screaming kids on the plane. I highly recommend it!

Apr 28, 2020 3:04 PM in response to Changren Yong

I do really like the AirPods Pro but there is definitely a design issue with them. I replaced them a few times due to rattling or buzzing, lack of bass and persistent failure of the fit test. The fit test is a cool idea but is frustrating because it starts to fail within a few weeks of starting to use a new AirPod pro (the right one fails first for me). I also often hear a buzzing or vibration when I talk on the phone. Maybe the active noise cancellation and particularly the active EQ might be the culprit causing problems? I totally agree with Changren that we shouldn’t need to suck them or use Blu-Tack to fix them periodically. I can’t image doing that is good for whatever delicate parts are inside the AirPods Pro. The easy pairing and automatic recognition of them on your other iCloud devices, compact size and overall ease of use and sound quality (when they are working) overrides the many quirks (for me). I guess the saving grace for these is the tight integration into Apple’s devices.

Oct 2, 2020 4:10 PM in response to Dell_K

I am experiencing the same problem. First the left consistently failed, and then the right. I switched back and forth after I bought a set of four new tips and now they both always fail. Even with brand new tips. I tried both new pairs and the old pair and get the same result. I am not to worry though because it as much as I’ve read about it it sounds like a hardware/software issue. The sound, transparency, and noise cancellation still sound great.

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AirPods Pro Ear Tip Fit Test fail (seal is actually good on both sides)

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