SENWA MEXICO S.A.DE C.V S40E User Manual

 

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5  Appendix 

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. 

SIM 

card 

error 

The SIM card 

is damaged. 

Contact your network service provider 

The SIM card 

is not in 

position. 

Check the SIM card 

The metal 

face of the 

SIM card is 

polluted. 

Clean the SIM card with a clean cloth 

Poor received 

signal quality 

Signals are 
obstructed. 

For instance, 

radio waves 

cannot be 

effectively 

transmitted 

nearby a high 
building or in 

a basement. 

Move to a place where signals can be effectively transmitted 

Line 

congestions 

occur when 

you use the 

mobile phone 

in high-traffic 

hours 

Avoid using the mobile phone in high-traffic hours 

The mobile 

phone cannot 

be powered on 

The battery 

energy is 

exhausted. 

Charge the battery