Verykool R16 - Manual (Page 18)

messages saved in phone while the environment setup (e.g. contact
person and SMS that saved in phone) restore to factory default
setting.
12 Other Functions
Mass storage: this function is used to read and write files from PC
to the storage.
COM port: you can synchronize your phone with PC. Details about
the related tools, please consult with
Customer Service Center .
13 Common Questions
Unable to make some calls
n
Call barring has been set and barred utilization of the mobile
phone. Please check and cancel call barring.
Other person is answering my call
n
The mobile phone has been set into divert your calls to another
phone number. Please check and cancel call divert.
The mobile phone cannot search for the network
n
The mobile phone is outside of the network coverage area (or
there are physical obstructions between the mobile phone and the
transmitter), and calls cannot be made or answered. If you are in
one room, please move close to the window.
In the operation process, the mobile phone may display the
following operating tips:
“Emergency”
n
You are outside the network coverage area of the service
provider. But another network area where you locate allows you to
make emergency call according to the signal strength.
“Invalid SIM”
n
The SIM card of the mobile phone is locked and the inserted
SIM card is unable to be accepted. Please insert the correct SIM
card or contact with the vendor.
“Please Enter PUK”