Remotely waking up your device
When your vehicle is parked and ignition is off, your device will go to sleep to save power. But if you are working on a project remotely and want to access your device, its possible to wake up your device from sleep.
To do so, simply send a TEXT/SMS to the phone number associated with your SIM card. This will wake up the device.
Its also possible to list the TEXT/SMS send to the device (if you are using a pre-paid plan and want to check status). This can be done from the
Try this command from the terminal:
If you find your device not to respond to the SMS wake up, then there is two things you can check:
Check if the modem is “Power save” mode, during sleep. If you go to settings->dongles->advanced->power there is a new section called “modem”
“Put modem into lower power mode during sleep? When enabled it is no longer possible to wakup device on SMS.”
The modem/SIM has a limit on how many unread messages it can contain. To clear the message you can use this command:
Please note: Remotely waking up the device is not possible if your device is in hibernation/deep sleep. This will happen if your battery is in poor condition and voltage drops below 12.2V. This is a precausive measure, to ensure that the AutoPi will never drain your battery.