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Fail to dial
out
Please check if you press the dial key after typing the number.
Please check if calling is forbidden because of default settings.
Please check if the SIM is valid.
Please check if the call barring is set.
Please check if the fixed dial function is set.
Callers can
not contact
you
Please check if the mobile phone is on and connected with the
network.
Please check if the Call barring or call divert is activated.
Please check if the SIM card is valid.
Fail
to
charge
May be due to poor contact. Please check if the plug is
connected well.
Please confirm if the environment temperature is within the
range of 0ºC ~40ºC while charging.
The battery or charger is damaged in which case you need to
replace it.
Содержание Discover 137
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