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Reply to I'm currently using macOS 26 and Xcode 26, but I'm unable to download iOS 26 simulators.
It's been nearly 20 days since I first reported this issue, and I've noticed many developers are experiencing similar problems. I have submitted the sysdiagnose report twice through Feedback Assistance but have yet to receive any useful responses from Apple Developer Support. I am eager to assist Apple in identifying this bug and improving their products, but it seems they are uninterested. They haven't even bothered to examine the issue or respond. I have no other option but to wipe my entire disk and reinstall macOS and other software, which has cost me many hours. I'm sharing this conversation here to show developers how Apple handles support for its developers.
Nov ’25
Reply to I'm currently using macOS 26 and Xcode 26, but I'm unable to download iOS 26 simulators.
2025-11-10 15:13:01.021 xcodebuild[96294:594234] DVTDownloadable: Download Failed. Downloadable: { architectures = ( arm64 ); authentication = none; category = simulator; contentType = cryptexDiskImage; dictionaryVersion = 2; downloadMethod = mobileAsset; fileSize = 8321575812; identifier = "com.apple.dmg.iPhoneSimulatorSDK26_1_arm64"; isInternalContent = 0; isUserInitiated = 1; name = "iOS 26.1 Simulator (23B80)"; patchableFrom = ( ); platform = "com.apple.platform.iphoneos"; simulatorVersion = { buildUpdate = 23B80; version = "26.1"; }; version = "26.1.0.0"; }. Download failed.
Nov ’25
Reply to I'm currently using macOS 26 and Xcode 26, but I'm unable to download iOS 26 simulators.
2025-11-08 15:25:29.891 defaults[84021:4409624] Domain (com.apple.MobileAsset) not found. Defaults have not been changed. 2025-11-08 15:25:29.912 defaults[84023:4409633] Domain (com.apple.MobileAsset) not found. Defaults have not been changed. 2025-11-08 15:25:29.930 defaults[84025:4409640] Domain (com.apple.MobileAsset) not found. Defaults have not been changed. Finding content... Automatically resolved architecture variant for platform iOS as 'universal'. 2025-11-08 15:25:32.343 xcodebuild[84026:4409646] DVTDownloadable: Download Failed. Downloadable: { architectures = ( arm64, "x86_64" ); authentication = none; category = simulator; contentType = cryptexDiskImage; dictionaryVersion = 2; downloadMethod = mobileAsset; fileSize = 10066610754; identifier = "com.apple.dmg.iPhoneSimulatorSDK26_0_1"; isInternalContent = 0; isUserInitiated = 1; name = "iOS 26.0.1 Universal Simulator (23A8464)"; patchableFrom = ( ); platform = "com.apple.platform.iphoneos"; simulatorVersion = { buildUpdate = 23A8464; version = "26.0.1"; }; version = "26.0.1.0"; }. Download failed.
Nov ’25
Reply to I'm currently using macOS 26 and Xcode 26, but I'm unable to download iOS 26 simulators.
I wanted to follow up on my previous message regarding the simulator download issue in the latest Xcode. I’ve already provided all the requested details, but I haven’t received any update yet. To be honest, I’m becoming increasingly frustrated with the lack of response and progress. This issue has completely blocked my development work — I’m unable to run or test any iOS projects until this is resolved.
Oct ’25
Reply to I'm currently using macOS 26 and Xcode 26, but I'm unable to download iOS 26 simulators.
It's been nearly 20 days since I first reported this issue, and I've noticed many developers are experiencing similar problems. I have submitted the sysdiagnose report twice through Feedback Assistance but have yet to receive any useful responses from Apple Developer Support. I am eager to assist Apple in identifying this bug and improving their products, but it seems they are uninterested. They haven't even bothered to examine the issue or respond. I have no other option but to wipe my entire disk and reinstall macOS and other software, which has cost me many hours. I'm sharing this conversation here to show developers how Apple handles support for its developers.
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Nov ’25
Reply to I'm currently using macOS 26 and Xcode 26, but I'm unable to download iOS 26 simulators.
Feedback assistant
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Nov ’25
Reply to I'm currently using macOS 26 and Xcode 26, but I'm unable to download iOS 26 simulators.
14 days
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Nov ’25
Reply to I'm currently using macOS 26 and Xcode 26, but I'm unable to download iOS 26 simulators.
Why don't you offer simulator downloads on the website? It would make our lives so much easier.
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Nov ’25
Reply to I'm currently using macOS 26 and Xcode 26, but I'm unable to download iOS 26 simulators.
2025-11-10 15:13:01.021 xcodebuild[96294:594234] DVTDownloadable: Download Failed. Downloadable: { architectures = ( arm64 ); authentication = none; category = simulator; contentType = cryptexDiskImage; dictionaryVersion = 2; downloadMethod = mobileAsset; fileSize = 8321575812; identifier = "com.apple.dmg.iPhoneSimulatorSDK26_1_arm64"; isInternalContent = 0; isUserInitiated = 1; name = "iOS 26.1 Simulator (23B80)"; patchableFrom = ( ); platform = "com.apple.platform.iphoneos"; simulatorVersion = { buildUpdate = 23B80; version = "26.1"; }; version = "26.1.0.0"; }. Download failed.
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Nov ’25
Reply to I'm currently using macOS 26 and Xcode 26, but I'm unable to download iOS 26 simulators.
2025-11-08 15:25:29.891 defaults[84021:4409624] Domain (com.apple.MobileAsset) not found. Defaults have not been changed. 2025-11-08 15:25:29.912 defaults[84023:4409633] Domain (com.apple.MobileAsset) not found. Defaults have not been changed. 2025-11-08 15:25:29.930 defaults[84025:4409640] Domain (com.apple.MobileAsset) not found. Defaults have not been changed. Finding content... Automatically resolved architecture variant for platform iOS as 'universal'. 2025-11-08 15:25:32.343 xcodebuild[84026:4409646] DVTDownloadable: Download Failed. Downloadable: { architectures = ( arm64, "x86_64" ); authentication = none; category = simulator; contentType = cryptexDiskImage; dictionaryVersion = 2; downloadMethod = mobileAsset; fileSize = 10066610754; identifier = "com.apple.dmg.iPhoneSimulatorSDK26_0_1"; isInternalContent = 0; isUserInitiated = 1; name = "iOS 26.0.1 Universal Simulator (23A8464)"; patchableFrom = ( ); platform = "com.apple.platform.iphoneos"; simulatorVersion = { buildUpdate = 23A8464; version = "26.0.1"; }; version = "26.0.1.0"; }. Download failed.
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Nov ’25
Reply to I'm currently using macOS 26 and Xcode 26, but I'm unable to download iOS 26 simulators.
any updates?
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Nov ’25
Reply to I'm currently using macOS 26 and Xcode 26, but I'm unable to download iOS 26 simulators.
I have sent numerous emails to devprograms @apple.com, yet they have not responded. Despite paying the annual fee, we still lack support from them.
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Nov ’25
Reply to I'm currently using macOS 26 and Xcode 26, but I'm unable to download iOS 26 simulators.
Discover how Apple empowers developers.
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Nov ’25
Reply to I'm currently using macOS 26 and Xcode 26, but I'm unable to download iOS 26 simulators.
Is anyone addressing this issue? I will continue to send a request daily until it is resolved.
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Nov ’25
Reply to I'm currently using macOS 26 and Xcode 26, but I'm unable to download iOS 26 simulators.
any support?
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Nov ’25
Reply to I'm currently using macOS 26 and Xcode 26, but I'm unable to download iOS 26 simulators.
Are there any updates? Does Apple offer developer support?
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Oct ’25
Reply to I'm currently using macOS 26 and Xcode 26, but I'm unable to download iOS 26 simulators.
I wanted to follow up on my previous message regarding the simulator download issue in the latest Xcode. I’ve already provided all the requested details, but I haven’t received any update yet. To be honest, I’m becoming increasingly frustrated with the lack of response and progress. This issue has completely blocked my development work — I’m unable to run or test any iOS projects until this is resolved.
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Oct ’25
Reply to iOS 18 local network permission is incorrect
I'm experiencing the same problem. When building with Xcode 16, the simulator never displays the local network permissions. I have already included NSLocalNetworkUsageDescription in the plist.
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Nov ’24