Modem Status: Modem on
SIM State: Ready
GPRS Status: deactivated
Signal Level: Excellent Signal
How can I activate GPRS? The SIM ist active and works fine in cellphone...
The device does not connect to the operator, which means that the device does not see the SIM card.
I recommend updating the firmware to the latest: https://wiki.teltonika-mobility.com/view/TMT250_Stable_firmware
Set the operator's APN in the GPRS tab: https://wiki.teltonika-mobility.com/view/TMT250_GPRS_settings
Test with another SIM card that other trackers work with accurately.
If the problem persists, please contact your sales manager or VIP Helpdesk support.