It's been a bit over two years since T-Mobile merged with Sprint. T-Mobile discontinued the Sprint brand four months later, in August 2020, but many legacy Sprint subscribers have still yet to swap ...

As impressive as it is that some customers are still using a Sprint SIM card in 2023, its days are numbered. According to a document shared by The T-Mo Report, T-Mobile started sending legal notices ...

It seems that Samsung has sent Verizon SIM cards instead of Sprint SIM cards with some Galaxy S9 units. How widespread this issue is or why this carrier mixup happened, we don’t know. Samsung is now ...

While Sprint’s initial batch of iPhone 4S handsets were sold unlocked, allowing you to swap out your Sprint SIM card for a SIM card of your choice, that will no longer be the case. From today, ...

T-Mobile appears all set to eliminate any remaining traces of Sprint in a few months. A leaked company document reveals that the carrier will stop supporting legacy Sprint SIM cards on May 1, 2023.

Does Sprint even offer GSM service? If not, I don't see how your Razr would work. The Sanyo is a CDMA phone. IIRC, only Cingular and T-Mobile offer GSM service in the US.