ywp
13
1.Check whether the apn is correct
2.You can refer to this to change the mbn file(ROW_Generic_3GPP or ROW_Generic_3GPP_PTCRB_GCF
3.Upgrade module firmware
https://fw.gl-inet.com/download/EM060K-modem-firmware/EM060KGLAAR01A12M2GA.zip --download url