Problem

Possible causes

Possible solution

 

(U)SIM card invalid.

Contact your service

 

provider.

 

 

 

 

 

 

You are not within the

Check the service

 

area with your

Unable to

network’s service area.

service provider.

connect to

 

 

 

 

Move to an open

the network

 

 

space, or if you are

 

 

 

Poor signal.

inside a building,

 

 

move closer to a

 

 

window.

Cannot

 

Go to Settings >

answer

You have activated the Call

Call > Call Barring

incoming

barring feature.

Settings, and then

calls

 

select Deactive All.

You cannot

 

Go to Settings >

make

You have activated the Call

Call > Call Barring

outgoing

barring feature.

Settings, and then

calls.

 

select Deactive All.

161

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Image 161
ZTE ZTE Blade III user manual Go to Settings, Call Call Barring, Barring feature, Select Deactive All