I have a Teletonica FMB920 device. After updating to version 4 , it worked fine for about 1 month, but now it no longer works at all. Can anyone please advise me on what to do? Thank you.
Hi Amin,
Your devices are blocked.
Check your country MCC code from this document:
Thank you for saying that. I am from Iran. This is very unfair to the customer. I have had this device for a long time, why should this happen to me after the update?
How can I solve this problem? Can I go back to an older version?
This oppression is inflicted by companies on ordinary people like you and me. I recommend that you thoroughly review and study the information and educational resources of Teltonika and then take action. How many of you have had problems?
Thank you for your answer. Could you please tell me where I should thoroughly review and study Teltonika’s information and educational resources?
In the description of the link you sent, it says that you cannot downgrade from version 4 to older versions.
Also, three of my friends are having the same problem.
Please tell me if you know a solution to the problem.
Unfortunately, these laws are imposed. I hope that in the future, conditions will improve for ordinary people.