you can unlock your Samsung Galaxy S4 phone using unlock code.Unlock code is the best and safest way to unlock phone.You can get the unlock code for your phone from your Network service provider.And you can get free unlocking instructions from the site MobileUnlockGuide.com using this unlocking instructions you can unlock your phone easily.
Thanks for the post. Unfortunately unlocking a device is not something that Sprint supports. Sorry things didn’t work out, best of luck with your new carrier.
Sprint Social Care
Hello, Our company have bought Samsung Galaxy S4 with 2 years contract from Sprint 4 months ago (business plan). Since we are facing a lot of drop connections at our office and home, we terminated the contract and paid the early termination fee. Now we want to check whether we can use the same mobile with other GSM provider. Let me know how can I unlock the phone to use other provider