AirPods Pro firmware 2B588 reduce the noise cancelling capability

After my AirPods Pro auto-update to firmware 2B588 the noise cancelling suddenly become very weak, almost no difference from Off mode and Noise cancel mode.

Reset the AirPods Pro fix it for few minutes, then it got auto-update and noise cancelling capability got reduced again.

If Apple reduce the noise cancelling function then AirPods Pro is simple lost it’s point, I don’t understand why Apple do this.

Posted on Nov 24, 2019 7:42 PM

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Posted on Jan 3, 2020 7:12 AM

Hi kellyNYC, 2B588 is the one that changed the ANC. So you have not gotten a chance to experience what the ANC really was like on the older firmware 2B584... It was much more powerful then.


But since yours is currently 2B588, try connecting them to your iPhone, put them in their case and plug them into power (Lightning port) and see if they will update to 2C54... When they do, see if you notice any difference with the ANC.

721 replies

Jan 14, 2020 1:45 PM in response to yu217

RTings have updated their original review and confirmed the reduction of Active Noise Cancellation in 2C54


https://www.rtings.com/headphones/reviews/apple/airpods-pro-truly-wireless


Update 01/10/2020: After updating to Firmware 2C54, we retested the headphones and our results showed a fairly significant drop in isolation performance, primarily in the bass-range. This means that with ANC turned on, these headphones won't do nearly as good a job blocking out the low engine rumbles of planes or buses as they did before this update. This review reflects these changes.

Jan 19, 2020 7:54 AM in response to SuperGT4ME

Right.


While you guys are here, I wanted to ask if any of you charge your APP wirelessly and if it works. I have actually two open cases w/ Apple now. One is about this (of course ) and the other is that no charger will properly wirelessly charge the APP (including the 2 that Apple sells -- Belkin Boost Up! or a slightly different SKU of it and the mophie wireless charging pad).


It's a much smaller thread but many people have the same issue and Apple has not owned up to it but Apple rep told me on the phone that his APP also cannot wirelessly charge with the Belkin that they sell...


Thread here: https://discussions.apple.com/thread/250857964?page=4


Some were claiming 2C54 fixed this. Didn't for me and now that f/w has been pulled and 2B588 (the bane of our existence here) is now up to date.


Just a mess.

Jan 21, 2020 7:28 PM in response to mhawk86

When I post this question there is no 2C54 firmware yet. I did not see any option to edit the question.

My replacement AirPods Pro is running on 2B588, and I compared it with the old one (running on 2C54), the noise canceling ability has no difference.

The old one has bug that when I put one side of the AirPod, it is in noise canceling mode already (it is supposed to be on transparent mode and only switch to noise canceling mode after I put on the other side of AirPod). The replacement new one does not have this bug.

According to the testing of 2C54 from rtings, it is possible that NC was affected by the EQ adjustment on bass (for improve sound quality). Since Apple already stopped distributing 2C54, I guess Apple engineers already know the issue and working on fixing it.


BTW I think Apple should make a big change on their management of development. These years there are many problems happened that should be prevented before releasing : buggy iOS/macOS, bad keyboard design, false promise of AirPower (I guess there is some mid-level management person promise this to top-level guys and cannot full fill his/her promise.), iPhone signal problem, MacBook Pro 16-inch performance problem, iPhone X overheat problem, etc. And yeah, AirPods Pro firmware issue.

Seems Apple tried to improve the development performance by shortening deployment cycle, and hiring non-professional people as developer. But it turns out these fresh new developers created a lot of stupid bugs (macOS empty root user password issue, iOS hard-code out-dated time issue, etc. Even a fresh graduated student should not make this kind of naive mistakes. ). And many of them are just delivered to customer without any checking. Then developers were rushing to fix the bugs. Seems like they works a lot, but actually waste most of their time on fixing bugs, and ruins the user experience.

From the aspect of customer, Apple is no longer innovative (since their manpower is wasted on creating bugs and fixing bugs, nothing left for doing some creative work), Apple product quality is no longer solid (since it has a lot of bugs when delivered to user’s hand), and Apple products are more and more expensive.

Jan 21, 2020 7:36 PM in response to yu217

I seriously doubt this a bug in the accidental sense though. I think they probably changed it intentionally because of complaints of ear-suck and low bass. Which is fine, it’s legitimate that people have those complaints. The correct response is to make the ANC adjustable though, not pick a massively reduced setting and force everyone who didn’t have the complaint onto it via stealth firmware updates.

Jan 22, 2020 9:04 AM in response to Shanesnh

Good thing I had a change. (roll eyes) - People don't even read and comprehend anymore.


My point is that the additional NC in the original firmware was causing the airpod to be pushed out.


My hypothesis is the seal they were creating with the extra noise cancellation was causing them to fall out more often. Probably part of the change in frequencies (that people and reports are noticing).


I mean it's all about air movement and there isn't much room in the ear canal, so it's not hard to understand that the change would cause a situation like this.


The firmware change was when I noticed this, besides the lack of NC.





Jan 23, 2020 11:41 AM in response to Shanesnh

It also gives me an opportunity to tell them that the problem either is exactly the same on the new device or slightly better, worse, whatever. 2B588 caused the problem and 2C54 kept it. 2C54 is gone now and we have to wait for a new update. But if I get new ones and both the ANC issue and charging issue are still there, it tells them they need to fix the firmware from yet another confirmed case.

Jan 29, 2020 12:51 AM in response to Ditman013

Yeah, I think it would be hard for anyone from Apple communities guys to come and comment here on a 29 page thread of people having issues when the party line seems to be a mix of “you’re hearing it wrong” and “maybe wait for an update”.

Given the volume they sell, and the amount of people who just didn’t notice, who got them after 2B588 and just presumed they were plain bad, have bad hearing anyway or couldn’t care, I think we will be hard pressed to get an official response to this issue.

I live in hope still.


I was hoping being update day today that I’d see new firmware but mine haven’t updated yet

Mar 7, 2020 4:18 PM in response to yu217

So, I have been reading several articles and blogs today about Apple releasing a new Airpods next quarter. No name for sure yet but the writers were calling them Airpods Pro Lite. They suggested they would probably be around $50 cheaper and have less features. The writers even speculated that Apple might greatly reduce the noise cancelling capability. I was thinking, heck, that is what we have now. Any thoughts?

Mar 8, 2020 3:51 AM in response to MJ2110

I have a pair ordered since the 24th of February with expected arrival the week of the 26th of March. I used a pair my son bought back in November and experienced the same quietness while working out in the Gym. He has had his replaced due to little or no ANC after receiving a firmware update and his replacement is not any better. The ANC degradation after the firmware updates had to be intentional or else Apple would have corrected the situation within several days with a firmware update. My plan was to not cancel the order and just keep sending the Airpods Pro back for replacement within 14 days but not sure how many times I can do that. I will probably just cancel within the next few days, keep using powerbeats 3 and see how this plays out.

Mar 8, 2020 4:05 AM in response to MJ2110

I also exchanged mine and got back from 2C54 to 2B588. Unfortunately it is almost as bad as under 2C54. So the problem started earlier. So, unfortunately, you cannot have high hopes that it will get better with the new ones! Keep your fingers crossed, of course. Keep your fingers crossed for all of us, however, that there will soon be a firmware update and the problem will be fixed for everyone and the ANC is almost at the beginning.

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AirPods Pro firmware 2B588 reduce the noise cancelling capability

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