How to Fix cpp 81 Error Code in Cydia Impactor/Cydia Extender

Several users have reported this error to me in my Cydia Impactor error guide. So I decided to cover this topic in detail.

What does cpp 81 Cydia Impactor Error mean?

Here’s what the cpp 81 error displays –

provision.cpp:81
ios/addAppId=9313″
The ‘Network Extensions’ feature is only available to users enrolled in Apple Developer Program. Please visit
https://developer.apple.com/programs/ to enroll. 

cpp 81 cydia impactor

This error actually means that you have not enrolled in the Apple developer program. Once you enroll in Apple’s developer program, this error will get fixed automatically.

However, not everyone wants to purchase a $99 subscription just so they could sign applications using Cydia Impactor.

CPP 81 error is also faced by Cydia Extender users along with Cydia Impactor users. This happens because Cydia Extender is just an on-device version of Cydia Impactor.

cydia impactor error

So the error codes and the functionality remain exactly the same.

Here’s how to fix it.

How to Fix cpp 81 Error in Cydia Impactor

Method 1 – Revoke Certificates

The best way to fix this problem is by revoking your certificates. Simply follow the steps given below –

Step 1 Open Cydia Impactor.

Step 2 Go to Xcode tab.

Step 3 Select the Revoke Certificates option.

revoke certificates cydia impactor

Step 4 Enter your Apple ID and password.

The same method applies to Cydia Extender as well. You simply need to revoke certificates using the in-app options.

This method will most likely fix this issue. If provision.cpp:81 error still persists, try using other methods given below.

Method 2 – Disable 2FA

This error may also occur when you enable 2-Factor Authentication security feature. While it’s a great way to keep your account secure, it can lead to errors with unofficial jailbreak applications such as Cydia Impactor and Cydia Extender.

Try disabling it and sign your desired IPA file again.

Method 3 – Use a new Apple ID

Create a new “temporary” Apple ID and input its credentials when Cydia Impactor prompts you to do so.

While this might look vague, it does work in many situations.

Method 4 – Update Impactor

Use the latest version of Cydia Impactor. You can download it below.

If you are already running the latest version, try using an older version.

Were you able to fix Fix cpp 81 Error?

Thats’ all there’s to it! Method 1 should fix the cpp 81 error in most cases.

If Cydia Impactor or Cydia Extender tools are still throwing the cpp 81 error, leave a comment below. I will help you fix it as soon as possible.

For more such tutorials and guide, subscribe to our social channels.

Here are some more fixes for Cydia Impactor –

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