i have a tk103 device (https://www.aliexpress.com/item/32901250441.html) and i set it to send data to server every 10 seconds, but it send 24h even if caris offline,
i tried to send sms "less gprs123456 on" but no success , what can i do to fix it
is there any firmware to update it or i need to send a specific sms
i have a tk103 device (https://www.aliexpress.com/item/32901250441.html) and i set it to send data to server every 10 seconds, but it send 24h even if caris offline,
i tried to send sms "less gprs123456 on" but no success , what can i do to fix it
is there any firmware to update it or i need to send a specific sms