Could I Please Get A Complete Set and Clear Instructions on How to unlock the w660i.

I am an orange and want to unlock the phone so that i can use it for o2 I am having trouble unlocking it. Could i please get a set of instructions of what to download and exactly what to do. Thank you.

W660i is a db2020 cid52. First download the last firmware from download section and debrand it with XS++ or Setool.
Then for unlock read carefully this topic:

Remove SIM-lock patch generator

read here
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