21
5.17.17 Accessibility
Accessibility: set Open/close.
Power button ends call: Press power key words will end the call, not shut down the
screen.
Quick boot: set Open/close.
5.17.18 About phone
System updates
Status: Check the current state of the mobile phone.
About battery: View power consumption situation
Legal information: check the open source license
About version: Display model.
5.18 SIM toolkit
Show the current use SIM card network operators, click on that network operators to
provide you with value-added services list. If a SIM card and network operators don't
support the service, this function will not be used.
6 Troubleshooting
If anything unusual occurs while using your Smart Phone, please refer to the
following table.
Frequently
Occurring
Problems
Cause
How to Fix
Poor
reception
Using the Smart Phone in an area
with poor reception such as near
tall buildings or in a basement
where radio waves cannot be
transmitted.
Try to avoid.
Using the Smart Phone when
the network is busy, such as during
rush hour, when the lines are full
making it impossible to get through.
Try to avoid.
Related to the distance from the
base station built by the network.
You can request that the
network
service
provider
provide a service area plan.
Echo or noise Caused by poor network relay, a
regional problem.
Hang up and redial, if the relay
is changed then the line may be
