varkey
Galvanizer
@varkey - update! I have a friend who uses the old ZTE connection, so today we went to the BSNL Office and from there we were asked to go to BSNL EVDO department where all EVDO matters are handled. So we finally reached there and its a bit away from the main office. So the person incharge took the number (that he uses to recharge) of ZTE and then checked the ESN of the new modem. He then said wait for some time. Finally he came back and said in some time the modem will begin working as he has updated the ESN in the database against the friends connection. Now I just connected and it works fine without any issue. My friend is happy now that he has REV.A connectivity as earlier the ZTE was having REV.0 connectivity. So I have now given the modem to him as its working fine for him
Good that BSNL was willing to add the ESN in your area. Anyway you could have achieved the same by updating the ESN of Sierra to match the other.
Coming back to the discussion - Hence, I again state - like the official told me - its not possible to tie a RUIM number to a specific ESN and hence its not possible to transfer / configure RUIM based to non RUIM based. He said if its non RUIM based its easy to tie a specific ESN to that number and once that matches the modem would start working. He said that now the old ZTE wont work as the ESN has been removed against that number and thats not working.
I am not sure if someone who has got a RUIM based connection has managed to configure it on a non-ruim based modem and if one has successfully done so I would like to know how because as per my meeting and discussion its theoretically not possible!
Why so? The RUIM number is already tied to an ESN. Are you still claiming that in case of an RUIM, ESN is not applicable?
Quoting my own post
The part about not able to convert from a RUIM connection to a non-RUIM connection strictly depends on BSNL's capability. Reliance CDMA for instance, you can easily switch both ways without any issue.
Please enlighten me and others here why its theoretically impossible for an operator to swap the ESN for an RUIM based connection but can be done for non-RUIM connections. You can easily do it for Reliance CDMA by visiting a Reliance World store and yet you claim its not even theoretically possible?
If BSNL can update the ESN for a particular non-RUIM connection, I don't see why it can't be done. But anyway as I said earlier, it depends on how its setup on BSNL's side.
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