Ans. For devices with a SIM slot that can be unlocked, Sprint will do it for those that qualify within the Unlock Policy detailed on the official website. If a device qualifies for unlocking, Sprint simply remotely unlocks it or, if this isn't technically possible, notifies the device of the following steps to finish the unlocking process. If you want a SIM to unlock and think your postpaid device qualifies, call 888-211-4727 or press *2 from your Sprint phone device to get in touch with Sprint Customer Care. The fact that not all gadgets can be opened must always be taken into account. Mainly, it is typically not possible to unlock smartphones and device models made before February 2015, so they would accept a SIM card from another domestic carrier and run on the network of another domestic carrier. Sprint lacks the technological means to carry out this.