Verykool R623 - Manual (Page 18)

you can press any key except end key, and then operate according
to relevant screen prompts.
Certificate manager: store the certificates.
Private security: enter Private Security, you should input the correct
password (default password is 0000). Then you can select
phonebook, messages, call log or file manager to set up the privacy
protection.
Calls & SMS firewall: enter calls & SMS firewall, you can press
left/right navigation key to switch between blacklist and whitelist.
Activate Options, you can add new entity to the list or set the
parameter of the block settings.
1.14 Restore factory settings
You can carry on corresponding operation after inputting the correct
password (default password is 0000).
After running the Restore factory settings, the environment setup
(e.g. user profile) restore to factory default setting.
After running the Restore settings and data, the phone clear up the
messages saved in phone while the environment setup (e.g. contact
person and SMS that saved in phone) restore to factory default
setting.
15 Camcorder
In preview interface, press down/up navigation key to switch
functions between camera and video recorder, press OK key to
capture photos or videos. Press LSK then using left/right navigation
key to view or set the parameters.
16 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.
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