Reception | Iphone
If you have Wi-Fi but no cellular reception, you can still send and receive messages:
: Enable this in Settings > Cellular > Wi-Fi Calling to send traditional SMS (green bubble) texts over a Wi-Fi network. Troubleshooting Poor Reception If your iPhone isn't receiving texts despite having signal: Connect to a satellite with your iPhone - Apple Support iphone reception
For a more accurate reading of your reception than standard bars, you can use : Open the Phone app. Dial *3001#12345#* and press Call . If you have Wi-Fi but no cellular reception,
: You cannot send photos, videos, or group messages via satellite. Texting Over Wi-Fi : You cannot send photos, videos, or group
This opens a hidden menu showing your signal strength in (decibel-milliwatts). A number closer to zero (e.g., -50 dBm) indicates excellent reception, while -110 dBm or lower indicates very poor signal. Texting with No Reception (Satellite)
: You must be outside with a clear view of the sky.