Please contact our technical support engineer for the latest firmware version.
Inorder to imrove services and work efficency of responding support request,please provide follwing infomation when submit technical support request,with detailed infomation,Robustel will assgin dedicated technical expert to contcat you within 24 hours.
1.Product Part No. and firmware version,diagnostic file.
2.Description of the application and the network diagram,the problem you met.