For a more accurate reading of your reception than standard bars, you can use : Open the Phone app. Dial *3001#12345#* and press Call .
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) iphone reception
: You must be outside with a clear view of the sky. For a more accurate reading of your reception
Depending on whether you're trying to fix a reception issue or send a text with no signal, you can manage your iPhone's reception and messaging through the following methods: Checking Precise Signal Strength A number closer to zero (e
If you have Wi-Fi but no cellular reception, you can still send and receive messages:
: Works automatically over Wi-Fi for Apple-to-Apple conversations.
: Open the Messages app; a prompt to "Use Messages via Satellite" will appear automatically if you have no signal.