error eka hatiyata dongle eke newei sim case ekak wage. eth eka sim ekak wath wada natthan dongle eka reconfigure karanda wenawa. Issallama Putty SSH kiyala software ekak thiyanawa eka download karala install karapn. ita passe device manager ekata gihilla "Ports(COM & LPT)" kiyana eke yata ube dongle eka tiyanawada balapan. tibboth eke properties-> port settings gihilla list eken COM1 select karala OK karapan. ita passe Putty SSH Client eka open karala Serial select karala OPEN karapan. command prompt eka wage ekak open wei. eke "AT^U2DIAG=0" gahala enter press karapn( without quotes ). Ita kalin aniwaren dongle eke software eka install karapan. oya command eken dongle eke fake CD ROM ekai SD Card reader ekai off wenawa. ekalla dongle eka galawala gahala balapan. Dongle eka gattha kiyala machine eken pennane nathi wei eth mobile broadband/ partner eken pennai. connect karala balapn lede hariyai.
e wade hari giye natthan kalin steps tikama karala me command eka gahala balapan "AT^SYSCFG=13,1,3FFFFFFF,2,4". oken 2G signals witharai dongle eka ganne. eth hariyanne natthan meka gahapan "AT^SYSCFG=14,2,3FFFFFFF,2,4". oken 3G only mode ekata watenawa.
SOME USEFUL AT COMMANDS
AT^U2DIAG=0 – Turn off Fake CD and SD Card. (this is good for routers)
AT^U2DIAG=256 – Turn off Fake CD (the application software installs from this)
AT^U2DIAG=268 – Return to normal (or turns off the 3G modem)
AT^U2DIAG=276 – Factory reset
AT^SYSCFG=14,2,3FFFFFFF,2,4 - 3G preferred
ATZ - reset modem configuration