Hi, thank you for contacting JustAnswer.com. My name is Russell. I will do my best to provide the right answer to your question.
Unlocking such a modem is a function that reputedly can be done here:
and your MF910 is a model among those listed here that the unlock procedure is claimed to be applicable to. Note that I have no experience with the software on this page.
I am sorry - I am not sure that I have good advice to offer for this question, and I must apologize. And I regret not being able to offer Live Phone Call service at this time.
I have Opted Out, opening the case to other Experts in this category.