Most iOS users use Cydia impactor to install apps that aren’t available on the app store on their devices. With this feature, users will be able to download apps not found in the app stores. Some people have posted that they encountered error code 81 when they used the Cydia impactor. We know about this error and we’ll explain how to fix Cydia Impactor error 81. You will receive the following error
The best way to solve Cydia Impactor error 81
It will return the error code 81 when you attempt to install an IPA file on your iPhone but do not have permission to do so. It is possible to correct this problem by revoking the certificates for the IPA file you are about to install on the device. Please follow these steps in order to revoke your certificates.
Also check our post on how to Fix Cydia Impactor won’t Recognize my iPhone
Step 1: Once you open Cydia impactor and attempt to install the IPA file, you’ll receive error 81. Now click the ‘OK’ button.
Step 2: Then click on the Xcode option.
Step 3: Using the drop-down options, select revoke certificates.
Step 4: Please enter your login credentials and click on OK.
Step 5: After clicking on OK, you will receive a notification about how many certificates have been revoked.
Step 6: Try installing the IPA that you are trying to install.
The following steps will prevent Cydia impactor error code 81 from appearing on your device.
It may take up to 7 days for your certificates to become active.
Update Latest Cydia Impactor
Cydia impactor users who updated to the latest version of the software were able to fix the issue. You need to update Cydia if you are using an older version. You can download the latest version of Cydia from the Cydia website. The following steps will help you do that..
- Go to Cydia and click Impactor.
- Next, click on the check for updates drop-down menu.
- When you find an updated version of Cydia, update it.
It may cause software like Cydia to crash if two-factor authentication is disabled.
Install the package instead of dragging the IPA to Cydia
Cydia impactor error 81 occurs for some users when they drag their IPA file into Cydia. It may be possible to resolve error 81 on the Cydia impactor by using the install package option in Cydia.
Step 1: Open Cydia impactor and click on the device option
Step 2: Click on the install package option from the drop-down menu.
Step 3: Select the Ipa file from your device’s storage and click on OK.
Using this method can fix the Cydia error code 81 on your device.
The Cydia impactor is best used without “run as administrator”. It can be used to drag files directly to Cydia for installation.
Create a new app-specific password with Cydia impactor error 81
In order to solve the Cydia impactor error code 81, you will need to create a new password for Cydia. The steps below will help you create a password specific to your app
- by logging in to your Apple ID account: https://appleid.apple.com/.
- Click the Edit button under the security section.
- It is best to delete any existing app-specific passwords and create a new one.
- Create a new password for the application and enter the app’s name.
- Open Cydia and install the IPA file. To install an IPA using Cydia impactor, you’ll need the new app-specific password.
It’s sometimes possible to fix the Cydia impactor error 81 on your iOS device by creating a fresh app-specific password.
Important Note: In case none of these steps worked for you, you may create a new Apple ID and then sideload the app from Cydia. If you have trouble with your apple id, revoke the certificates from the steps above to fix Cydia impactor error 81.
Cydia impactor error 81 can usually be fixed by revoking the certificates for most users. In addition, if you are having issues with error 81 on cydia impactor, it is possible to update your software or disable 2fa.