LG Stylus 3 M400DY - Инструкция по эксплуатации - Страница 523

Appendix

115

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.

Operator applied new 

services.

Check whether the SIM card is 

more than 6-12 months old. 

If so, change your SIM or USIM 

card at your network provider's 

nearest branch. Contact your 

service provider.

Codes do not 

match

To change a security code, 

confirm the new code by 

re-entering it.

If you forget the code, contact 

your service provider.

The two codes you entered 

do not match.

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     

Settings

.

2. Tap 

General

Apps

.

3. Tap the app   

Uninstall

.