Unlocking your Sprint mobile phone will allow you to use your device on another mobile provider’s network. To use the phone with another provider, you must first unlock the phone, and then insert the SIM card of the new network. You can obtain the unlock code from Sprint for free. If you cannot get the unlock code from your device from customer service, you must obtain the code from an online provider for a fee. Writer Bio

How to Unlock a Sprint Phone to Insert a SIM Card - 15