If your phone displays the 'SIM unlock code' then your phone is currently locked to particular network. You need to unlock to use it with other network.
There can be many ways to Unlock your phone. As far as i know unlocking by codes is the simple and safe way. I will suggest the website Unlock-zone.com which is doing good service and they were recommended highly in the cell phone forums.
I used them to unlock my cell phone. contacted them and within 30 mins i had my unlock code and my phone was unlocked.
Hope this helps.
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Hello - i see this is a very old post.. but i have the same problem... Did you ever figure it out.. can u please share your solution so that I can Unlock my ARIA?
I have my Unlock code, but when i insert the non at&t SIM card -- no prompt to enter the code .. :(
Thank you
Almost a year later and no answers. When insert new sim all i get is screen saying "Sim not provisioned MM#2" No place to put code in.
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