A. 1. Restart your iPhone: Press and hold the power button until you see the 'slide to power off' option. Slide to turn off your device, then press the power button again to turn it back on. 2. Update the app: Go to the App Store, tap on your profile icon at the top right, scroll down to see if MerlMovie has an update available. If so, tap 'Update'. 3. Reinstall the app: Press and hold the MerlMovie app icon until it jiggles, then tap the 'X' to delete it. Go to the App Store, search for MerlMovie, and reinstall it.