Warranty Period: 12 Months<br><br>Connectivity:<br>GSM: 850/900/1800/1900MHz;<br>UMTS: 1/2/4/5/8;<br>LTE: 1/2/3/4/5/7/8/12/13/17/28/66/26/38/25/40/41 <br><br>Single SIM model: 4FF Nano SIM + Micro SD<br><br><b>Note: </b><br><br>The TCL 10 Pro is certified for use on Verizon’s LTE network. If your device is not receiving messages or experiences an error when making phone calls, your Verizon account may need to be provisioned to support “CDMA-less” devices. To do this, please contact Verizon’s technical support team or your account’s business representative for assistance.