I have an iPod touch 4th gen.I tried installing an app in it(ipa)by connecting my MacBook to the iPod with a cable but it said a need to authenticate by MacBook. I went to the music app and pressed the authenticate Mac and Reyes installing it again but it still didn’t work
MacBook Air 13″, macOS 12.6
Hey there Andrew9747,
Thanks for reaching out to the Apple Support Communities.
Just to confirm, when authorizing your MacBook, did you follow the steps listed in this link here: Authorize or deauthorize your computer for iTunes Store purchases - Apple Support
How to authorize or deauthorize your Mac
1. Open the Apple Music app or Apple TV app. In the menu bar, choose Account and make sure that you're signed in with your Apple ID.
2. Choose Account > Authorizations, then choose Authorize This Computer or Deauthorize This Computer.
3. Sign in with your Apple ID and password. Forgot your Apple ID?
4. Click Authorize or Deauthorize.
If so, did you see any alerts or messages when authorizing your MacBook? If not, then based on the information you've provided, we'd recommend reaching out to Apple Support directly from this link here: Contact - Official Apple Support
Take care!
How do I authenticate my MacBook to install apps on an iPod touch
