A. 1. Update the app: Go to the App Store, tap on your profile icon, and scroll to see if SmartLinx Go has an available update. If so, update it to the latest version as updates often fix bugs. 2. Check for iOS updates: Go to Settings > General > Software Update. If an update is available, download and install it, as compatibility issues can cause crashes.

B. 3. Reinstall the app: Delete SmartLinx Go from your device by pressing and holding the app icon until it jiggles, then tap the 'X'. Reinstall it from the App Store to ensure you have a fresh version.