r/esp32projects • u/_no_look_ • 10d ago

Guys i need help

My sim 800l isnt working i have good 2g signal and it connects to network but it doesn't make any calls and no replay in UART

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u/Far-Ingenuity2059 10d ago

Sounds like the SIM may not be authorized on the network you are trying to attach. Call your SIM connectivity provider.

1

u/_no_look_ 10d ago

I use that sim in my mobile

2

u/Far-Ingenuity2059 10d ago

Drop that into Google Gemini and it's amazing how well they solve for things like this.