The unlock code varies from IMEI number of phone,Country and Network provider to which it is locked[i.e;Network Unlock code is not same for all Samsung M3510].So,you only need to get the unlock code by providing these details to Online Service Provider like Unlocking4u.com here they are providing this code at low cost.After giving the details they will deliver the unlock code to you through mail.Using that code you can unlock your Samsung M3510 easily.
