JETHRO SC118, Руководство пользователя, Страница: 29 / 39

Jethro SC118 User Manual
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contacting professional after-sales services.
The mobile phone cannot be switched on

Check whether you have press and hold the
hang-up key for more than one second.

Check whether the battery is in good contact.
Remove the battery and re-install it, and then
power on the phone again.

Check whether the battery capacity is consumed.
If yes, charge the battery.
An error message is displayed when you switch on the
mobile phone

Enter the phone lock password. If the automatic
lock function is enabled, you must enter the phone
password before you use the mobile phone.

Enter the PIN code. If the PIN function is enabled,
you must enter the PIN code when you power on
the mobile phone each time.

Enter the PUK code. If you enter wrong PIN codes
for three times consecutively, the mobile phone is
locked. You must enter the PUK code provided by
the network carrier.
SIM card error

There is dirt on the metal face of the SIM card,
Use clean cloth to clear the metal contact point on
the SIM card.

If the SIM card is not installed correctly, install it