Delta Manual

SIM card

The SIM (Subscriber Identity Module) card, which you get from your network operator, contains information about your subscription. Always turn off your phone and detach the charger before you insert or remove the SIM card.

PIN

You may need a PIN (Personal Identification Number) to activate the services in your phone. Your PIN is supplied by your network operator. Each PIN digit appears as *, unless it starts with emergency number digits, for example, 112 or 911. You can see and call an emergency number without entering a PIN.
Using location services

Your phone is equipped with a GPS receiver that uses satellite signals to calculate your location. Make sure you have a clear view of the sky when using features that require the GPS receiver to find your location. If your location is not found after a few minutes, move to another location.

Your phone is not receiving any network signal, or the received signal is too weak. Contact your network operator and make sure that the network has coverage where you are.

Download Sony Ericsson Z750i User’s Guide

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