Grupo Sefton Tecnology SEFTONS450 Manuale Utente

 

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used.  

If there are not setting when connected with USB data cable, the phone 

will enter the state of charge. 



¾  The phone can’t be powered on.   

When the battery voltage is too low, it may cause the phone can’t be 

powered on. Please charge the battery.   

¾  Some callings are limited.   

Please confirm whether you have call limit, if you set the call limit, 

you can’t call or only can call the specific number.   

My phone was answered by other persons.   

¾  Please confirm whether you set the call forwarding, if you have set it, 

the call will be transferred to a specific setting.   

 

During the operation, the following error information may be 

displayed:  

¾  Please insert the SIM card 

Please confirm whether you have inserted SIM card. If your card has 

been inserted but can not be used, please try to use a dry cloth to wipe the