How to unlock a samsung t-509?

If you have been a T-Mobile customer for 90 days simply ask T-Mobile Customer Care for the Unlock Code and they will give it to you. They are very cool about it, tell them you will need to unlock your Cell Phone because you are going to Europe and want to use it there. Within a week they will e-mail you the code :)

you're astounding, Unlocking a telephone is criminal, Unblocking carrys a 5 3 hundred and sixty 5 days detention middle time period, so i'd stay sparkling. you could launch the D900i easying and affordably. The D900 might want to be unlocked by taking it on your community telephone save that "unlocks phones" ought to fee about £5-£10. besides the undeniable fact that i'd attempt a sim from a distinct operator like t-cellular, Vodafone, Orange previously you shell out any money as o2 dont ususally lock there handsets. wish that permits

1. PUT IN A SIM CARD THAT IS NOT A T-mobile sim card!!!!

2. at the "wrong card" screen press *2767*3855# and let it reboot(restart).

3. It will start up and it will look like it is unlocked but ITS ONLY TEMPORARY!

4. Now press *7465625*638*00000000*00000000#....some message will pop up and disappear...

5. Now press #7465625*638*00000000# and a message about network lock INACTIVE..and now your phone is UNLOCKED FOREVER!!!! (your welcome! :)

6. to make sure its unlocked press *#7465625# ...this is only to check that everything is inactive...this code doesn't do anything else....don't need to do this step if you don't want to..