Haier C1100 User Manual - Page 26

Insert the R-UIM card but Please check if properly inserted the R-UIM card; can not read the information in the R-UIM card Please check if your R-UIM card is valid. The mobile phone displays Please communicate with the service provider to get "Input PUK Code" the PUK code and use it to unlock. Can not make phone call Please check if the phone number is valid. Please check if you are in service area. Weak talk quality Please check if the phone signal is strong enough; If you are in the building, please move the phone or move near the window. The contact can not get Please check if your mic has blocked by fittings or your voice when making other blocks. phone call Receiver sound is too low Please check if your receiver volume has been adjusted to the minimal. The mobile phone has a weak receive signal or usually drop in the phone Please check if the phone has a strong signal. If no signal, please use it in a strong signal place. call 22