Accidently locked k510i. How to unlock the phone? Can't remember the unlock coded!

Hi,

You can get the unlock code by contacting your current service provider customer care department.If your phone is locked you can use any of your friends phone to make this call. The service provider will then provide you the unlocking codes.. Remember that the reason why the codes are provided only thro customer service provider is they will make a check on your name and identity proof at the time of your call. If the information is found to be correct and matching with their data then you will be provided with the codes. Everything is done for free of cost and you are not going to be charged for this process.This is the universal solution and is useful for many customers who are facing these kind of problems. Don't believe in any websites which provides unlock codes. All are fake. Only your service provider can provide these codes.

Thank you !!