1. Switch to cellular data
Swipe down to open Control Center and disable Wi-Fi completely. Try exporting using only your cellular connection.2. Check your device storage
Make sure you have enough free storage on your device. A full device can prevent exports from completing.- Check storage on iPhone
- On Android, go to Settings → Storage
3. Restart your device
Power your device off completely, then turn it back on and try exporting again.4. Check Camera Roll permissions
On iPhone, Captions needs full access to your Camera Roll to save exported videos.- Open the Settings app
- Scroll down and tap Captions
- Tap Photos
- Select Full Access