Signal strength
The signal strength is indicated in the top left corner of the display. More bars indicate a stronger signal.
Strong signal.
Emergency Call (SOS)
You can make an emergency call even if your phone is locked or cannot access your network, or if there is
no (U)SIM card inserted, as long as you are within range of a network of the type supported by your hone.
1. If there is no (U)SIM card loaded, press (
SOS
).
2. Enter the emergency number, for example, 112 (the international emergency number).
3. Press or (
Call
) to call.
Switching the phone off
Press and hold to turn the phone off.
If the phone is not able to detect the designated network, or links to a network that you are not authorized
to use, the signal strength meter will show no bars. You will only be able to make emergency calls.
Summary of Contents for F188
Page 1: ...ZTE F188 HSDPA Dual band 3G Mobile Phone User Manual ...
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