How to Fix Google Sign-In Error 500 in the Acrobat iOS App
Question details
Users face an Error 500 when attempting to log into the Acrobat iOS application using a Google account, despite the website login working normally.

- Product
- Acrobat iOS App
- Device & OS
- iOS
- Scenario
- Signing in to the mobile application using Google authentication.
- Observed behavior
- The application displays an Error 500 and prevents successful login. Uninstalling and reinstalling the app does not resolve the behavior.
Ensure your iPhone or iPad is connected to a stable internet network and verify your Google account credentials are correct before proceeding with troubleshooting.
Update Software and Force Restart the App
Applying the latest software updates and refreshing the app's current session can resolve compatibility glitches.
Authentication errors can sometimes occur due to a mismatch between the app version and the iOS version. Ensuring both are fully updated is the first step to resolving underlying bugs.
Go to iOS Settings > General > Software Update to install the latest iOS version. Then, open the App Store, search for Acrobat, and tap 'Update' if a new version is available.
Swipe up from the bottom of your screen (or double-click the Home button on older devices) to open the app switcher. Find the Acrobat app card and swipe it up to close it completely.
Tap the Acrobat app icon on your home screen to launch it again, and attempt to sign in with your Google account.

Adjust Network and Safari Settings
Modifying browser cookie permissions and bypassing network filters allows the authentication token to pass through properly.
Use an Alternative Login or Contact Support
If Google Sign-In remains broken for the mobile app, use an alternative method to access your documents or escalate the issue to Adobe.
Manage PDFs Hassle-Free with WPS Office
Tired of login errors interrupting your workflow? WPS Office is a lightweight, fully-featured alternative that lets you read, edit, and manage PDF documents on iOS seamlessly, without being blocked by frustrating authentication glitches.

Frequently Asked Questions
Why does Google Sign-In work on the web but fail with Error 500 on the Acrobat iOS app?
The iOS app uses an embedded browser module (Safari WebKit) to handle authentication. If Safari is blocking cookies, or if a mobile VPN interrupts the traffic, it can trigger an Error 500, whereas standard desktop browsers process the login normally.
Will reinstalling the Acrobat iOS app fix Error 500?
In most cases, reinstalling the app does not resolve this specific Google Sign-In error. The issue is usually tied to iOS Safari settings, network filters, or an API integration bug rather than corrupted local app files.
How do I ensure Safari is not blocking the Google login prompt on iOS?
Navigate to your iOS Settings, scroll down and tap 'Safari', and verify that 'Block All Cookies' is turned off. You can also temporarily turn off 'Prevent Cross-Site Tracking' while signing in to see if it allows the authentication to proceed.
Are there other ways to sign into my Acrobat account on iOS?
Yes. If Google Sign-In is temporarily unavailable, you can link your account to an Adobe ID on the web and use that to sign in, or choose to sign in with an Apple ID or Facebook account if previously configured.




