Hi. In my case it did not resolve the issue. SMS to national phones work, but not to international phones, despite international SMS work when SIM is inserted on a phone. The troubleshoot file shows:
[GSMD AT commands]
AT+CGATT?: +CGATT: 1
AT+CGDCONT?: +CGDCONT: 1,"IP","","0.0.0.0",0,0,0,0
+CGDCONT: 3,"IP","internet","0.0.0.0",0,0,0,0
AT+CGACT?: +CGACT: 1,1 +CGACT: 3,1
AT#AUTOATT?: ERROR
[GPIO information]
SIM: 0
DOUT1: 0
DOUT2: 0
DIN1: 1
DIN2: 1
MON: 1
MRST: 0
SDCS: 0
RFINT: /sbin/gpio.sh: GPIO RFINT not supported