Set Up LK120
To set the tracker send the following commands by SMS messages, the sample setup the device password is YVn1iR, this password is the default
- 
        Factory reset
beginYVn1iR - 
        Set the time zone UTC-0
timezoneYVn1iR 0 - 
        Set the operator APN
apnYVn1iR {{apn}} {{apnu}} {{apnp}} - 
        Set the GPRS server
adminipYVn1iR 54.85.159.138 8888 - 
        Set update interval
uploadYVn1iR 60 - 
        Switch to GPRS mode
gprsYVn1iR 
To check settings param1