Overmax Vertis 02 plus User Manual page 45

Schedule power on/off
Set the time when the mobile phone will be automatically powered on or off.
About phone
This function enables you to view some phone related information.
9.25
STK service is the tool kit of SIM card. This phone supports the service
function .The specific items are depended by SIM card and network. Service
menu will be auto added to the phone menu when supported by network and SIM
card.
9.26
Use this function to record audio files. Three function icons at the bottom of
the Recorder screen are corresponding to start recording, review record file and
stop recording.
9.27
With Videos, you can play video clips in your device (for example, the video
you captured by the camera) or video files stored in compatible SD card (if
inserted).
<Tips>
If there are available video files in the device, for example, you captured
some video files by camera, the amount of these video files will be displayed in
bracket at right of Movie.
Appendix 1：Troubleshooting
If you find exceptions when operating the mobile phone, restore the factory
settings and then refer to the following table to solve the problem. If the problem
persists, contact the distributor or service provider.
Fault
SIM card
error
Poor received signal
quality
SIM Toolkit
Sound Recorder
Video player
10 Appendix
Cause
The SIM card is
damaged.
The SIM card is not
in position.
The metal face of
the SIM card is
polluted.
Signals are
obstructed. For
instance, radio
waves cannot be
effectively
transmitted nearby
a high building or in
a basement.
Line congestions
occur when you
use the mobile
phone in
high-traffic hours
Solution
Contact your network service
provider
Check the SIM card
Clean the SIM card with a clean
cloth
Move to a place where signals
can be effectively transmitted
Avoid using the mobile phone in
high-traffic hours