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Here comes the AT4 asset tracker quick guide. Insert the 2G SIM card with SMS +GPRS service. Find the notch and remove the cover. Turn the battery switch to OFF and insert the SIM card. Power on. Press power button for 3 seconds. Make sure
Here comes the AT4 asset tracker quick guide. Insert the 2G SIM card with SMS +GPRS service. Find the notch and remove the cover. Turn the battery switch to OFF and insert the SIM card. Power on. Press power button for 3 seconds. Make sure