AltStore is the most reliable, modern alternative to Cydia Impactor for Windows and macOS users. It uses your computer as a local server to sign and refresh apps automatically.
The "Assertion Failed: Code 200" error is a generic error message that appears in Cydia Impactor when it encounters a problem while trying to install an IPA file. This error can occur due to various reasons, including:
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Sometimes a "ghost" certificate is blocking the new installation. Open Cydia Impactor. Go to the menu. Select Revoke Certificates . Enter your Apple ID credentials. 2. Use an App-Specific Password