（bug）MATLAB Support Package for Apple iOS Sensors could't work?

When I install "MATLAB Support Package for Apple iOS Sensors" successfully,then input in command line:

m = mobiledev

Failure to load the device plug-in.

I have tried other similar commands such as "mobiledevlist", which gives the same error. I'm looking forward to the official fix to solve the problem in time!

MATLAB 2024a，windows 10 22H2

[Torsten]

https://uk.mathworks.com/matlabcentral/answers/2115556-why-do-i-get-the-failure-to-load-the-device-plug-in-when-connecting-with-android-mobile-device

If this doesn't work, you should contact MATLAB support.

[xingxingcui]

@Torsten

thanks very much, this link works for me.

[xingxingcui]

@Torsten

When I first encountered this error, I successfully resolved the issue by adding "C:\Program Files\MATLAB\R2024a\bin\win64" to the system environment variable directory, as suggested in the answer. However, after uninstalling the "MATLAB Support Package for Apple iOS Sensors" and reinstalling it, the same error occurred again. Even after re-adding the environment variable, logging in with the same account on both mobile and PC, and enabling all the necessary flags, the error persists!

[xingxingcui]

Unfortunately, Mathworks technical support was also unable to resolve my issue. Currently, I have found a viable workaround:

1. Use MATLAB Online.
2. Utilize the desktop version of MATLAB R2023b or earlier.

[Yilei Zheng]

Could you share what MATLAB version and "MATLAB support package for Apple iOS sensors" version you had? We tried with 2024a update 6 + MATLAB support package for Apple iOS sensors 24.1.3, it should solve the issue. We did put a fix to address this "Failure to load the device plug-in" issue and it was released during July. Thanks!

[xingxingcui]

Android Phone: Huawei HONOR Play4T Pro, HarmonyOS Version: 3.0.0, Model Name: AQM-AL10

Apple Phone: iPhone - iPhoneSE

MATLAB 2024b prerelease version, Windows 10 22H2

Plugin Version: Android and iOS both 24.2.0

Previously, I was using R2024a and didn't pay attention to the specific update number. Later, I directly upgraded to the R2024b prerelease version, but it still doesn't work.

Thank you for your reply!

[Yilei Zheng]

MATLAB 2024b release is out. Could you try install 2024b with latest MATLAB support package 24.2.0? Hope it solved the issue.

[xingxingcui]

Fortunately, the R2024b official version is fine.

[xingxingcui]

R2025a ,warning,error:

> In matlabshared.asyncio.internal/Channel/onCustomEvent (line 609)

In

matlabshared.asyncio.internal.Channel>@(source,data)objWeakRef.Handle.onCustomEvent(data.Type,data.Data) (line 506)

Warning: Error occurred while executing the listener callback for event Custom defined for class matlabshared.asyncio.internal.Channel:

Error using mobilesensor.internal.MobileDevController/setSensorState

Unexpected exception in plug-in: 'Http CONNECT failed: Could not connect to server. Failed to connect to 127.0.0.1 port 7890 after 2024 ms: Could not connect to server. (CURLcode=7)..'

Error in mobilesensor.internal.MobileDevController>@(varargin)obj.setSensorState(varargin{:})

Error in mobilesensor.internal.MobileDevController/handleControlMessage

Error in mobilesensor.internal.MobileDevController/handlePubSubResponse

Error in mobilesensor.internal.MobileDevController>@(varargin)obj.handlePubSubResponse(varargin{:})

Error in mobilesensor.internal.PubSubClient/handleCustomEvent

Error in mobilesensor.internal.PubSubClient>@(varargin)obj.handleCustomEvent(varargin{:})

Error in matlabshared.asyncio.internal.Channel/onCustomEvent (line 609)

notify(obj, 'Custom', matlabshared.asyncio.internal.CustomEventInfo(type,data));

^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

Error in

matlabshared.asyncio.internal.Channel>@(source,data)objWeakRef.Handle.onCustomEvent(data.Type,data.Data) (line 506)

@(source, data) objWeakRef.Handle.onCustomEvent(data.Type, data.Data));

^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

> In matlabshared.asyncio.internal/Channel/onCustomEvent (line 609)

In

matlabshared.asyncio.internal.Channel>@(source,data)objWeakRef.Handle.onCustomEvent(data.Type,data.Data) (line 506)

Warning: Error occurred while executing the listener callback for event Custom defined for class matlabshared.asyncio.internal.Channel:

Error using mobilesensor.internal.MobileDevController/setSensorState

Unexpected exception in plug-in: 'Http CONNECT failed: Could not connect to server. Failed to connect to 127.0.0.1 port 7890 after 2033 ms: Could not connect to server. (CURLcode=7)..'

Error in mobilesensor.internal.MobileDevController>@(varargin)obj.setSensorState(varargin{:})

Error in mobilesensor.internal.MobileDevController/handleControlMessage

Error in mobilesensor.internal.MobileDevController/handlePubSubResponse

[CJ]

Hi @cui,xingxing,

Sorry to hear that it was giving you this warning. Do you mind checking if the version of the support package and MATLAB is compatible? Original R2025a is compatible with support package version 25.1.0. R2025a update 1 is compatible with support package version 25.1.1. If R2025a is update 1, but the support package version is 25.1.0, it needs to be updated to 25.1.1 to make it work.

[xingxingcui]

thank you for your reply,my version:

• "MATLAB" "25.1.0.2943329 (R2025a)"
• "MATLAB Support Package for Apple iOS Sensors" "25.1.1"

I don’t want to upgrade MATLAB to Update 1. Is it possible to downgrade the MATLAB Support Package for Apple iOS Sensors to version 25.1.0? It seems I can’t install a downgraded version.

https://www.mathworks.com/matlabcentral/fileexchange/51235-matlab-support-package-for-apple-ios-sensors

Unfortunately, this link does not provide downloads for previous versions.

----------

Additionally, I am also using MATLAB R2024a on the same PC. Version information is as follows:

• "MATLAB" "24.1.0.2537033 (R2024a)"
• "MATLAB Support Package for Apple iOS Sensors" "24.1.3"

However, I still encounter the error:

Failure to load the device plug-in.

iPhone 15,iOS Version: 18.5

My suggestion to MathWorks is: could the support package be changed back to the R2019b-era TCP/UDP data transport (or earlier), so it does not require Internet/network connection? The current method is unstable and still causes data latency!

References

1. https://www.mathworks.com/matlabcentral/answers/415394-connecting-matlab-mobile-with-my-computer
2. Why does the MATLAB Mobile Connector To Desktop Feature no longer work? - MATLAB Answers - MATLAB Central
3. https://www.mathworks.com/matlabcentral/answers/122573-matlab-mobile-connector-time-out