Appendix 130
FAQ
This chapter lists some problems you might encounter when using your
phone. Some problems require you to call your service provider, but most
are easy to fix yourself.
Message Possible causes Possible corrective measures
SIM card error
There is no SIM card in
the phone or it is inserted
incorrectly.
Make sure the SIM card is
correctly inserted.
No network
connection/
Dropped
network
Signal is weak or you are
outside the carrier network.
Move toward a window or
into an open area. Check the
network operator coverage map.
No
applications
can be set
Not supported by service
provider or registration
required.
Contact your service provider.
Downloaded
application
causes a lot of
errors.
Remove the application.
1. Tap
Tools
Settings.
2. Tap Apps & notifications
App info.
3. Tap the app
Uninstall.
Calls not
available
Dialing error New network not authorized.
New SIM card inserted. Check for new restrictions.
Device cannot
be turned on
Battery is not charged.
Charge battery. Check the
charging indicator on the display.
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