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[Guide] How to Downgrade apps on AppStore with iTunes 12.6.5 & Charles Proxy (no Jailbreak).

Table of contents

I. Notes

II. Requirements

III. Let's get into it

I. Notes

  • The Guide seems complicated, but you only need to do Step 1 to 3 for the first time. And there are 4 steps in total.
  • Jailbreak is NOT needed. Since the iPA comes directly from iTunes, it's encrypted and can be installed without Sideload. The IPA is 100% legit.
  • You can get the old version of any apps on AppStore as long as that version is still available on AppStore.

II. Requirements

  • iTunes 12.6.5 - the latest version of iTunes that supports download apps. Download here (directly from Apple).
  • A Windows machine: Windows XP/7/10 are supported, not tested on Windows 11 yet.

(Why Windows only? - Apple killed iTunes 12.6.5 on macOS. Even if you manage to get iTunes 12.6.5 on your Mac, the download feature just will does not work.)

  • Charles Proxy. I use version 4.2.7 but I don't think it's matter. (No need to crack Charles Proxy)
  • An Apple ID for iTunes. Use a clone ID if you like. Keep in mind that if you switch to another ID, you'll need to re-do the procedure from Step 3.
  • The Build Number Version of the app you want to downgrade. It is a chain of 9 numbers representing the version of the application. You always can get the Build number Version most apps on AppStore from Tool Lantency. See more info in pictures below:
  • Pic 1, 2, 3

III. Let's get into it

1. Preparing.

  • Nothing special about Charles Proxy so I'll focus on iTunes.
  • After you install iTunes succesfully, go to Edit => Preferences => Avanced => Untick Check for new software updates automatically to prevent iTunes from asking for update.
  • If you get an error about Library.itl when opening iTunes: Go to “C:\Users\Username\My Music\iTunes\” and delete the existed Library.itl
  • Login into iTunes with your prepared Apple ID.
  • pic 4

2. Install Charles Root Certificate

  • pic 5678

3. Create a Breakpoint