@fm hi, i add a 3.3 regualtor to vbat and add a capacitor

i see this on terminal

*MATREADY: 1 i don’t undestand this

+CFUN: 1

+CPIN: READY

@fm thanks fo you answer, i gonna make this changes is my first pcb advanced desing

Hi, i have a sim7020c in my schematic, but when i press pk the serial conection works for 4-5 seconds, then stops and i need press other time, but the sim reset and i can’t make any conection

I connect to vbat a lipo 16850 and the same error

Schematic_Lora-Lean-Unico_2022-08-06 (1).pdf