Unlocking 703sh

Hey everyone, I hit a 703sh that is locked to Vodafone UK, when I locate a sim bill in it says SIM-MEP, which I undergo is a network lock. I undergo there are whatever thread with this topic, but for whatever think there never rattling is a clean answer. I am hunting for the cheap way in effort this done.

Any recommendations? I would same to intend a cruiser cable for cheaper than what's on ebay if there is some another locate discover there, and what software would I requirement as substantially as instructions.

Thanks!