Verykool i285 - Manual (Page 35)

1.1.22 Phone mode settings (For Dual SIM models)
Dual SIM switch: you can set the power on SIM status as select
with SIM status or use default mode.
Dual SIM settings: with this function you can select the reception
mode for your phone, such as: Dual SIM open, Only SIM1 open, Only
SIM2 open, Flight mode.
1.1.23 Misc. settings
Pen calibration: click the screen according to the prompts to
calibrate the touch-screen.
UART setup: set default UART com port.
Sound effects: you can set the audio effects for your phone.
1.1.24 Restore factory settings
By entering into Restore factory settings, the mobile phone will
prompt you to input the password (default password is 0000). You
can resume using the mobile phone after inputting the correct
password.
After running Restore factory settings, the environment setup (e.g.
user profile) restores to the factory default setting.
After running Restore settings and data, the phone removes
messages saved in the phone while the environment setup (e.g.
contact names and SMS that were saved in the phone) restores to
the factory default setting.
5.9 Image viewer
Enter the pictures list screen, press a picture and activate Options,
then the following operations are available:
Delete: delete the current picture.
Details: view detailed information about the current picture.
Rename: rename the current picture.
Edit: change the current picture size
Send: send the current picture by MMS, email or Bluetooth.
Use: use the current picture as wallpaper, screen saver or caller ID
picture.
In the picture list screen, press the Menu key, and you can operate
as follows:
Select director: set the path of the folder to display.
Mark several: mark several pictures to delete or copy.
Camera: enter the camera preview interface.