Verykool R27 - Manual (Page 8)

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normal use. Users can disarm the SIM card protection but illegal
use of the SIM card cannot be prevented.
If the PIN code input is error for three consecutive times, your SIM
card will be locked by the network. There will enquire the PUK code
which provided by your network operator. If the PUK code input is
wrong for 10 times, the SIM card will be permanently barred.
Note:
Your network operator will set a standard PIN code and you
should change it to private password.
1.3 Plug and unplug the Memory card
Open the memory card holder, and insert the memory card into the
slot at the bottom according to the chat below, then close the
memory card holder.
1.4 Plug and unplug the earphone
Open the USB cover and insert the connector of the earphone to the
earphone jack at the right side of the mobile phone. Gently pull out
the earphone to remove it.
1.5 Status bar and content
In standby screen you can get the information that you need from
the indication icons on the screen.
Indicating that the SIM1 is connecting network currently
Indicating there is unread SMS of SIM1
Indicating there is unread MMS of SIM 1
Divert all voice calls has been set of SIM1
Indicating missed call of SIM1
The current alert type is ring only
The current alert type is vib. only