Verykool R623 - Manual (Page 8)

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 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 the earphone
Open the USB cover and insert the connector of the earphone to
the earphone jack at the bottom 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 text message not read of SIM1
Indicating there is MMS not read 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
The current alert type is vib. And ring
The current alert type is vib. Then ring
Indicating that silent mode activated
The mobile phone is locked
Indicating that earphone has been inserted
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