Check the Power, Radio Waves, and Battery!
Usually, keep the "power" ON.
Keep the power on to make or answer calls.
Press
for more than one second.
You cannot talk on the phone if A5527SA is
not receiving "radio waves".
Pay attention to the remaining "battery" power.
4
It may be difficult to receive radio waves in some places
even in service areas.
indicates the reception state.
You cannot use the cellphone when the battery goes off.
Charge the battery soon when the remaining power is too
low.
indicates the remaining battery power.
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