Dear customer ,

As the development cost is raising , from Dec,2022 ,we will start to charge for the update fee for all the windowns base product .

Include T1, E3,E1 .

If you got an expired message ,please contact with us to pay for the update fee and get the new version update .

If you no want to update ,you still able to use an old version .

Thanks for your understanding .

Any question,please feel free to contact with us by email : sales@idutex.com,whatsapp:+86 191 2959 6090