: Check if the SIM card is properly inserted and the modem is within range of a cell tower.
Which are you using (Windows 10, 11, etc.)? Which mobile carrier (SIM card) are you trying to use? khuavei modem plius skachat
If the modem doesn't connect automatically, you may need to enter the APN settings manually: Go to > Options > Profile Management . : Check if the SIM card is properly