Press the Side key. Simultaneously, press and hold the lower part of the Volume key and keep them both pressed until your phone restarts. If you've found my post to be helpful, please like the post. If my response resolved your issue, please press the "✓ Accept as Solution" button ... View more

@Crimreaper6 hi i found this for you In the US, Sprint, Verizon, and US Cellular use CDMA. AT&T and T-Mobile use GSM. Most of the rest of the world uses GSM. The global spread of GSM came about because in 1987, Europe mandated the technology by law, and because GSM comes from an industry consortium. ▪︎If my reply has been helpful please Mark as Solution ✔ & leaving a ❤ is much appreciated ... View more