I see in this post is same problem Power MKR1400 with Vin - MKRGSM1400 - Arduino Forum
My question is how we can break this loop and restart modem?
Starting Arduino web client.
+UUSORD: 0,75
AT+UDCONF=1,1
OK
AT+CTZU=1
OK
AT+UDTMFD=1,2
OK
AT+CREG?
+CREG: 0,0
OK
AT+CREG?
+CREG: 0,0
OK
AT+CREG?
+CREG: 0,0
OK
AT+CREG?
+CREG: 0,0
OK
AT+CREG?
+CREG: 0,0
OK
AT+CREG?
+CREG: 0,0
OK
AT+CREG?
+CREG: 0,0
OK
AT+CREG?
+CREG: 0,0
OK
+UMWI: 0,1
+UMWI: 0,2
+UMWI: 0,3
+UMWI: 0,4
OK
AT+CREG?
+CREG: 0,0
OK
AT+CREG?
+CREG: 0,0
OK
AT+CREG?
+CREG: 0,0
OK
AT+CREG?
+CREG: 0,0
OK
AT+CREG?
+CREG: 0,0
OK
AT+CREG?
+CREG: 0,0
OK
AT+CREG?
+CREG: 0,0
OK
AT+CREG?
+CREG: 0,0
OK
AT+CREG?
+CREG: 0,0
OK
AT+CREG?
+CREG: 0,0
OK
AT+CREG?
+CREG: 0,0
OK
AT+CREG?
+CREG: 0,1
OK
Arduino is stoped work in this place. When we check connecting, Arduino is offline.
Now Arduino is toped work when CHRG lamp is started blink.
