A. 1. Restart the App: Close the One Converter app completely by swiping it away from the app switcher. Then, reopen the app to see if the issue persists.
2. Update the App: Go to the App Store, search for One Converter, and check if there is an update available. If so, download and install it as updates often fix bugs that cause crashes.
3. Free Up Storage: Ensure your iPhone has enough storage space. Go to Settings > General > iPhone Storage and delete unnecessary files or apps to free up space.
B. 4. Reinstall the App: If the problem continues, uninstall the app by pressing and holding the app icon until it jiggles, then tap the 'X'. Reinstall it from the App Store.