Hi I am facing the issue ( ATD* 99# or ATD* 99#; or ATD* 99***1# RESPONDING with NO CARRIER ) with SIM7600EI Module, my power supply is fine Thanks in Advance hat[12902]: send (ATD *99#^M) timeout set to 22 Connect script failed
Dup: Random NO CARRIER with SIM800/SIM900 modems (Adafruit FONA on Raspberry Pi) - #13 by Shaik_Moin
Closing this thread since convo is happening on the above thread ^^