Way 2: Fix iOS to remove iTunes error 2001
An all-in-one solution to fix iTunes error 2001 on iPhone is to apply third-party iOS repair tools, for example, TunesKit iOS System Recovery. (https://www.tuneskit.com/ios-system-recovery-for-win.html) No matter what reasons leading to this error message, this powerful program can get it resolved for sure and it won’t cause any data loss on your device.
Key Features of TunesKit iOS System Repair
1. Fix ios and Apple TV issues without data loss.
2. Compatible with all iOS versions and almost all iOS devices.
3. One-click to enter or exit recovery mode for free.
4. Support downgrading iOS versions.
Steps of using TunesKit iOS System Recovery to fix iTunes error 2001.
Step 1: Launch TunesKit and connect your iPhone to computer. Follow the procedures on the screen to make iPhone enter recovery mode.
Step 2: Choose Standard Mode and download firmware package matched with your device.
Step 3: Fix iOS, thus resolving iTunes error 2001.