User Manual

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50
Relatedtothedistancefromthebase
stationbuiltbythenetwork.Youcan
requestthenetworkserviceproviderto
provideaserviceareaplan.
Echoornoise
Causedbypoornetworkrelay,a
regionalproblem;Someregional
problemwhencalling.
Hangupandredial,iftherelayis
changedthenthelinemaybebetter.
Unabletomakeacall
Usingthecallbarfunction.Cancelthe
function.
Usingthefixeddialingfunction.Cancel
thefixedcallsetting
Unabletocharge
Batteryorchargerisdamaged,Replace
thebatteryorcharger.
Rechargingintheenvironmentofless
than‐10Corhigherthan55C,Change
thechargingenvironment.
Poorcontact,Checkiftheplugis
properlyconnected
Unabletoconnect
tothenetwork
Expired(U)SIMcard.Contactyour
networkserviceprovider.
OutoftheGSMservicearea.Consult
yournetworkproviderwithinthe