M1306B software

How to upgrade the letest version of the firmware of M1306B
+WDWL: V02.05
+WOPEN: 2,“AT v02.10”,"AT v02.10
+WOPEN: 0
+WIMEI: 354056000029417
641b09gg.Q2406B 1339080 041604 16:04
+CCLK: “36/10/08,10:52:32”
Serial Number 50435017566241212