This is how to unlock a ZTE MF-627 broadband dongle commonly supplied by three mobile in the UK aka 3 uk. The software below lets you unlock it yourself for free by a simple software reflash that takes around 20mins. Better than spending £12 on DC-Unlocker, or £5 on ebay for exactly the same software as you’re getting for free here!
Tested working by myself with a MF-627 dongle bought from 3dongle4free
Download the file from one of the links below and follow the instructions included. You can find a complete list of the UK connection settings here
Rapidshare Mirror
4shared Mirror
MegaUpload Mirror
EasyShare Mirror
Upload4Free Mirror
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