🅰️ If your phone connects only to a GSM (2G) network while roaming, voice calls and mobile data may not work properly.
📶 Please check the current network type on your device.
✅ LTE / 4G / 5G — Normal service is available.
⚠️ GSM (2G) — Some countries have discontinued 2G service, which may affect voice calls or mobile data.
🍎 iPhone
Open the Phone app and dial *3001#12345#* to check your current network type.
💡 Field Test Mode is a built-in iPhone feature and does not incur any additional charges.
🤖 Android
Check the status bar at the top of your screen. If you see 4G, LTE, or 5G, your device is connected to a supported network.