Fix *Unable to Install* Error When Sideloading IPA on iPhone (DNS + Feather Guide)
Having trouble installing IPA apps on iPhone? Here's how to fix the 'Unable to Install' issue using DNS profiles and the Feather sideload tool—no jailbreak or computer required.
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Fix “Unable to Install” Error When Sideloading IPA on iPhone
Feather DNS Method – Step-by-Step Guide
If you’re trying to sideload an IPA file on your iPhone using tools like Feather and keep running into the “Unable to Install” error, don’t worry—you’re not alone.
This guide will walk you through the exact steps to resolve this issue using a DNS-based sideload method, without needing a jailbreak or a computer.
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Install Any DNS Profile
Download and install a trusted DNS configuration profile such as:
- CFDNS Config Profiles
- madNS Config Profiles
- WSF Config Profiles Once installed, you’ll find it under Settings > VPN & Device Management.
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Switch the DNS Mode to “INSTALL ONLY” (Airplane Mode ON)
- Go to Settings → DNS Profile
- Change the DNS mode to
install ONLY - IMPORTANT: Turn Airplane Mode ON before switching modes. This step is crucial to avoid system-level interference during app installation.
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🔗 Related Sideload Resources
using a Sideloadly, Scarlet, Esign, Ksign, or Feather signer
Links
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