Peace, mercy, and blessings of God be upon you. Sawa 5G router, it only works with Sawa SIM cards. Note (when you first turn on the device, it appears restricted, but after about an hour, the SIM card is recognized by the device and then it works). I give you 3 days warranty. If there is any issue, return it. The sale is by auction. Please, only serious buyers should bid.