Explore the intersection of business and app development. Discuss topics like device management, education, and resources for aspiring app developers.

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IOS 18.3 does not accept the trusted CA's certificate after changed the website cert
Hello, wehave some Iphone in the family and noticed a strange issue: On a website the site admins renewed the webserver cert, and now most of the IOS devices( Iphone 15 / 15 Pro Max / Ipad 10) doesnot trust in the new cert, while the apple trustsin the rootCA webste: https://etitan.hu RootCA CN = NetLock Arany (Class Gold) Főtanúsítvány ios 18 trusted CAs:https://support.apple.com/en-us/121672 So any idea whats wrong ? On windows everything is OK !
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656
Feb ’25
Geolocation Manager without function?
Hello, I write my bachelor-thesis about geolocation data on an iPhone. I write a small app to get the actual coordinates and saved into a sqlite database. so far so far. Now I have a GPS-generator from R&S to simulate gps-data and satellites. I can simulate 6 satellites parallel to my "fake" geolocation. I write the app also on an Android -smartphone, this Android can display the Satellites-ID and the "fake" geolocation..thats fine for my thesis. But my iPhone would not display anything I this setup? During outside the app would be deliver the actual coordinate, but with the signal.genarator I can't get coordinates. I try GPS, Glosnass, Galileo and Beidoo but nothing happens on my iPhone 12mini. The IOS is 18.1 and I use the core Location api. Has anybody some ideas for me and my thesis?
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387
Feb ’25
Question on using Apple TTS voice (commercial use and license)
Apple provides a function to create TTS voice as a file in TTS. (AVSpeechUtterance/AVSpeechSynthesizer) Or, if the user records the video of TTS playback and uses that video I wonder what the scope of use is if I use this TTS voice to make YouTube, TikTok, or commercial videos. Is it impossible to use it commercially at all? Can I use it commercially with the source indicated? Can I use it commercially without a separate source indication? Is there a difference in commercial use license between Siri voices and regular TTS voices?
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362
Mar ’25
IOS 18.3.2(22D82) Enterprise signature installation package crashes
Recently, we have encountered some users who have been unable to open the enterprise signature application after upgrading to version 18.3.2, without an IPS file. Through system logs, we found that signature verification has occurred SecKeyVerifySignature failed: Error Domain=NSOSStatusErrorDomain Code=-50 "rsa_pub_crypt failed, ccerr=-7" UserInfo={numberOfErrorsDeep=0, NSDescription=rsa_pub_crypt failed, ccerr=-7} Waiting for the information, I will provide the obtained system logs below. The application package name that crashed is com. mobile. moonew
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167
Mar ’25
Enterprise App Crashes on Launch on iOS 18.3.2
We have an office application used internally within our enterprise. The Provisioning Profiles (PP) for the app were about to expire, so we updated the PP and released a new version. However, we've encountered an issue where some users did not update their phones in time. After the app expired, they found it unusable and downloaded the new version, but the newly downloaded app also crashes on launch. Restarting the phone does not resolve the issue, and this primarily occurs on iOS 18.3.2. What could be the cause of this problem, and how should we address it?
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167
Mar ’25
Tax forms help for Indian companies
Hi Team, After agreeing the Paid In-app purchase agreements, i have been asked to fill the tax forms of US Certificate of foreign status of beneficial owner and US substitute form W-8BEN-E. Being an Indian Ed-tech company, we would like to know how should we approach this. Any help or support page or video on this can make our life easier. Thanks Team ACEplus.
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41
Mar ’25
After the Provisioning Profile expires, application cannot be used after reinstallation
My company signed the application with enterprise certificate, the Provisioning Profile expired on March 20, 2025. Some iPhones didn't update the application before the expiration. We have update the Provisioning Profile and repackaged application. However, these iPhones still can't use the application after reinstalling the new ipa. After opening the application, the screen is blank and then flashes back without any error prompt. Restarting iPhone didn't help.
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78
Apr ’25
Efficient Fix for Stuck Provisioning Profiles on Enterprise iPhones?
Hello, We have an internal enterprise app. After the provisioning profile (certificate) expired, some employees' iPhones still retained the old certificate when updating the app, causing the app to fail to open. We’ve tried restarting and reinstalling the app, but the issue persists. Having each employee manually reset network or device settings would be too operationally costly. Since this involves a large number of devices, we cannot use Apple Configurator to remove and reinstall certificates one by one. Therefore, we’d like to ask if there is a more efficient, batch-oriented solution to quickly resolve the certificate residue issue. We’d appreciate any suggestions for large-scale deployment methods. Thank you very much!
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107
Apr ’25
Guidance on Integrating with Apple GSX API
Hello all, I’m hoping someone here has gone through the process of integrating an ERP system with the Apple GSX API and can offer some guidance. We’re currently working with an AASP who asked us to integrate our ERP with the Apple GSX API. It’s the first time for both of us, and we’re a bit stuck on how to properly get started. The AASP contacted their regional manager, who confirmed that an NDA and an Apple Developer Account would be necessary. However, he hasn’t handled this type of integration before and is still seeking internal guidance. That was a few months ago, and due to his workload, the AASP hasn’t heard back from him yet. Meanwhile, we’ve already enrolled in the Apple Developer Program and opened a support case, but we’ve been redirected to the forums since our case goes beyond standard support. So now we’re trying to understand: What steps need to be completed by the AASP? What are the steps we, as the ERP provider, need to take in order to receive API access? Are there any specific documents, applications, or technical requirements we should prepare in advance? We’d really appreciate any guidance or insight from others who have gone through this process — or even partial answers to help us move forward. Thanks in advance for your time!
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182
May ’25
"fdesetup add" appears to cause the loss of the Secure Token
Hello, I've noticed some unexpected behavior when updating a user's FileVault password. The set up: All actions are performed in virtualized macOS 14 and 15.5 guests on a 15.5 Apple Silicon host. FileVault is enabled. sjsp is a standard user with a Secure Token. The Mac is bound to AD, and the domain is reachable. Reproduction: systemctl -secureTokenStatus sjsp shows it's ENABLED. fdesetup remove -user sjsp fdesetup add -usertoadd sjsp systemctl -secureTokenStatus sjsp shows it's DISABLED. Surprisingly, sjsp is still able to unlock FileVault. Looking at unified logs for opendirectoryd and fdesetup, I see that a password change is being attempted in response to fdesetup add, which is unexpected. default 13:34:41.320883+0100 opendirectoryd Changing password for <private> (E5CC46D7-0C1F-4009-8421-9AA8217CB784) info 13:34:41.321317+0100 opendirectoryd No unlock record exists for E5CC46D7-0C1F-4009-8421-9AA8217CB784 info 13:34:41.321331+0100 opendirectoryd <private> (E5CC46D7-0C1F-4009-8421-9AA8217CB784) is not a SecureToken user: no unlock record default 13:34:41.321341+0100 opendirectoryd Changing password for <private> (E5CC46D7-0C1F-4009-8421-9AA8217CB784): user <private> SecureToken, only new password provided, credential <private> default 13:34:41.321454+0100 opendirectoryd Changing password for <private> (E5CC46D7-0C1F-4009-8421-9AA8217CB784) with no existing unlock record info 13:34:41.321857+0100 opendirectoryd No unlock record exists for E5CC46D7-0C1F-4009-8421-9AA8217CB784 default 13:34:41.321873+0100 opendirectoryd Record <private> (E5CC46D7-0C1F-4009-8421-9AA8217CB784) is eligible for SecureToken default 13:34:41.322637+0100 fdesetup DMAPFS cryptoUserForMacOSUserForVolume DMErr=-69594 retErr=-69594 outAPFSCryptoUser=(null) default 13:34:41.322699+0100 opendirectoryd While changing password for <private> (E5CC46D7-0C1F-4009-8421-9AA8217CB784): Not adding SecureToken; other unlock records exist, but no existing unlock record provided If I disconnect the network and follow the reproduction steps then the Secure Token is retained. Reconnecting and waiting a while doesn't cause the Secure Token to be lost. There are no log entries about attempting to change the password. Any help or explanation would be appreciated, thanks in advance.
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119
May ’25
Verification Code Still Sent to Old Phone Number After Changing Apple ID Number
Hello everyone, I recently changed the phone number associated with my Apple ID (about 4 days ago), but I’m still receiving the two-factor authentication verification codes on my old number instead of the new one. Has anyone experienced this? Is there a delay on Apple’s side, or is there something else I need to do to complete the update?
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141
Jun ’25
Enterprise App Installation Fails on iOS 18.5 with Integrity Error
I am a developer distributing an enterprise app. Recently, some users have intermittently encountered an error message on iOS 18.5 stating: "Unable to install this app because its integrity could not be verified." While the issue could not be reproduced on iPhone 15 / iOS 18.5, we have received reports that it does occur on the following devices: iPhone 14 / iOS 18.5, iPhone 14 Pro / iOS 18.5, iPhone 14 Plus / iOS 18.5, iPhone 16 Pro Max / iOS 18.5, Are there any known issues or recommended solutions regarding this behavior? Thank you in advance for your assistance.
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130
Jun ’25
Enterprise Program Renewal
We are trying the renewal the apple Enterprise program. It asks set of questions after that it shows the below message "Thank you for your request to renew your membership in the Apple Developer Enterprise Program. We’ll review your submission and get back to you shortly to let you know if we can process the renewal or if another program better serves your organization’s needs." We have submitted for review for over two months now. During these two months, we have contacted the official customer service multiple times, only to be told to wait for news. Now, with only a few days left, The status hasn't changed, neither approved nor rejected,what should we do?This account is very important to our company. Thank you
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610
Aug ’25
RCS firewall domains & ports
Hi everyone, I’m working as an IT engineer in the cruise industry and need to troubleshoot passenger complaints about Apple’s new RCS messaging feature (introduced with iOS 18). Could someone help confirm which domains and ports iPhones use when they send RCS messages? My firewall team wants specifics: domains (or subdomains) that need whitelisting and the ports involved. Any official or community-sourced info would be super helpful—thanks in advance!
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101
Aug ’25