please

[ambt]

When I change in the software of the nsm-3 v5.29 to nsm-3 v5.21 it
shows me ms id invalid .
please tell me how to solve this problem please be informed that
i am using (WinDLS full Nokia service-v 2.4) program.

E-mail:[email protected]

[wfc]

why downgrade?

[ambt]

I am forced to downgrade because our local network are
week and suitable for v 5.21