You end the connection by disconnecting the USB cable.
Select SIM card for call, messages and internet
In Settings, select Network & Internet and SIM Cards. Now
you can set the SIM card for calls, messages and Internet.
PTT
The PTT button is designed for use with the Zello app
(available for download on Google Play). After installing the
Zello App, you can use this button as you would on a walkie‐
talkie ‐ just press the button and speak. Other users you add
to your group will hear you immediately.
FCC Warning
Specific Absorption Rate (SAR) information SAR tests are
conducted using standard operating
positions accepted by the FCC with the phone transmitting
at its highest certified power level in
all tested frequency bands, although the SAR is determined
at the highest certified power level, the actual SAR level of
the phone while operating can be well below the maximum
value, in general, the closer you are to a wireless base
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