I used internal RTC of esp332 by update the time using wifi connection and server update pool.ntp.org it works fine without any issue or bug. However when i tried to use sim800l rather then wifi it doesn’t connected to server for updating i have checked the internet and ip address several time but still not working.
what is am missing out here or any suggestion to figure the right way to connect the server and update rtc periodically.
Here is Wifi :
Here with sim800l :
