Upgrade Procedure from WellBilling 1.2.1 to 1.3.0 & WS6500 V2.1.1 to V2.1.2 Step 1: Unzip 6500-B_1025.zip Procedure: http://xxx.xxx.xxx.xxx:10087 login user: xxxx login password: xxxx Upgrade the software (Control > Upgrade) -file name: billing_wwwroot.bin -file name: wwwroot.bin -file name: resin.bin -file name: sippd.bin -file name: osadmin.bin -file name: Billing.bin Click "Upload" button: Display: billing_wwwroot.bin---->Successfully wwwroot.bin ---->Successfully resin.bin --->Successfully sippd.bin ---->Successfully osadmin.bin ---->Successfully Billing.bin ---->Successfully Step 2: Click "Control > System > "Restart" WS6500-B (After upgraded, please restart WS6500-B)