Fill in the gaps.

1. If you ... \(press\) the power button, the device turns on.
2. If she doesn't charge her phone, it ... \(die\).
3. If we ... \(install\) the new app, we can try its features.
4. If the battery ... \(to be\) low, the screen dims automatically.
5. If you don't update the software, it ... \(not work\) properly.
6. If he ... \(connect\) to Wi-Fi, he can stream videos.
7. If the storage ... \(to be\) full, you can’t download new apps.
8. If they ... \(not sync\) their devices, the data won’t be shared.