altstoreio / altstoreio/AltStore

NSCocoaErrorDomain 3840

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Dominant language
Swift
Stars
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Forks
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Description

Guys, I'm running into this problem while using it. Do you know what could be causing it? I can't install the app properly - my IPA file won't workSideloadlyI installed the app normally, but I can't use italtstoreDo you know what's causing the problem with installing apps on my phone? I'm on iOS 26.5, and I got my IPA files through Demons Unpacker. I used another phone to download the apps I wanted, then unpacked them with Demons Unpacker, and sent the unpacked files over to my iOS 26 phone to install them, but they won't install properlyimageimage

Contributor guide

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First steps

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  2. Comment on the issue to say you are picking it up — it saves two people doing the same work.
  3. Fork the repository and make your change on a branch.
  4. Open a pull request that references the issue number.

Research direction

The report mentions AltStore, Sideloadly, and IPA installation on iOS 26.5, but names no source files, tests, or entry points. Start by reproducing the installation failure with the described unpacked IPA and use the reported NSCocoaErrorDomain 3840 details to identify the cause; done means a confirmed cause and a documented resolution or reproduction boundary.

Written by the indexing model from the issue text.

Assessment

Tech stack
ios, swift
Domain
mobile
Issue type
Bug
Difficulty
5/5
Estimated time
Over a week
Activity status
Active
Clarity
Needs clarification
Newbie friendliness
20/100

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