I speak english!!
Cell phones only have a 15-day warranty with the store, from there you already have to directly with the manufacturer, unless you have purchased Geek Squad insurance
Hello, I bought two moto x4 a month ago, so far they work fine, was the one you bought unlocked?
You have to take it to the store with the purchase receipt to request the change, as only a month has passed it should be very easy.
Thanks! Your answer is awaiting moderation.