VoWiFi (Wi‑Fi Calling) lets you make and receive phone calls over Wi‑Fi when cellular coverage is weak or unavailable. This guide walks you through the steps to enable VoWiFi on your iPhone.

Why Wi‑Fi Calling is Important

• Improves call audio quality in areas with limited 4G/5G signal.
• Keeps calls connected when moving between Wi‑Fi and cellular (with VoLTE).

Materials Needed

• Active Nova SIM or eSIM.
• iPhone 8 or newer.
• iOS 17 or later (latest version recommended).
• Working Wi‑Fi network with internet access.

Step 1: Check Requirements

1. Go to Settings › General › About and confirm your iOS version is 17.0 or later.
2. If you see a Carrier Settings Update, tap Update to install the latest Nova carrier profile.

Step 2: Update Software

1. Navigate to Settings › General › Software Update.
2. Download and install the latest iOS version if one is available.

Step 3: Turn On Wi‑Fi Calling

1. Open Settings › Cellular (Mobile Data).
2. If you use Dual‑SIM/eSIM, choose the Nova line.
3. Tap Wi‑Fi Calling.
4. Toggle Wi‑Fi Calling on This iPhone and tap Enable.