If your using a Samsung d500 and you are moving to a different network provider, you will need to unlock it to all networks, if its not factory unlocked. Well today thankfully, there is no need for software or unlock calculators to unlock it because there is a free way to make the Samsung d500 sim free, by using a special secret unlock code trick.
Instructions on how to unlock a Samsung d500, using a unlocking code:
1)Switch on your phone, without a sim card inserted.
2)Once the mobile is turned on, enter the following code: '#*7337#'.
3)Once you have entered that code, your phone will be reset and fully unlocked and open to all network providers.
Thanks.
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