r private repositories (such as PP

Source: apt – “The following packages have been kept back:” Why and how do I solve it? – Ask Ubuntu

AT+NETOPEN

OK

+NETOPEN: 0

AT+IPADDR

+IPADDR: 172.16.1.108

OK

AT+NETCLOSE

OK

Source: TCP/IP testing with Simcom SIM7500 and SIM7600 Modules | M2MSupport.net

Source: how to know when a EEPROM address is empty? – Using Arduino / Programming Questions – Arduino Forum