We offer lifetime technical support for you,if you have any problem,feel free to contact with us via Amazon Support.</br>You can always come to us for free customer service at:</br><b>https://www.amazon.com/shops/PalmTalkHome</b></br></br> <b>SIM Card Recommend</b></br> We provide Smartwatch only but without SIM Card, please buy extra GSM network SIM Card.</br> This watch supported GSM network only, if you area are not good coverage or has stop 2G network service,please do not buy. </br> We're recommend to use Speedtalk mobile sim, you can via</br></br> www.amazon.com/dp/B01N9XPPGZ/ check the 2G coverage near your house through speedtalkmobile.com/coverage</br></br> Indoor Residential for 2G has to be Green. If no 2G or outdoor only available, please do not buy, the watch won't work in your area.</br> <b>*Not support AT&T,Verizon,Sprint</b></br> <b>How to setup:</b></br> 1. Activate the watch sim card , be sure the sim is activated with Voice,Text and Data plan, no PIN code; </br> 2. Turn the watch off first then insert the sim to watch; (Please note the chip angle when inserting the sim card)</br>3. Create an account in App "setracker",register choose "North America";</br> 4. Via your Phone Message App（Not Setracker）send APN command to watch SIM card number.</br> For Speedtalk Regular Phone </br> apn,wholesale,,,310260#</br> For IoT device </br> apn,mobilenet,,,310260#</br> 5.Test in App.For more details, please follow our user manual before you use.</br> <b>Note</b></br>This watch doesn't support GPS tracking feature</br></br> <b>🎁Package includes:</b></br> 1 x smartwatch </br>1 x Magnetic USB charging cable</br> 1 x User manual</br>