Your problem is the same a lot of people had with those terminals. Welcome to the club of the “tuned” Meizus.
Could do an special in spanish for you, but to benefit as much as people…
I advise you to visit this thread and you will understand what is going on with your phone: https://meizufans.eu/forum/topic/3713/for-all-those-with-a-weird-imei
Be easy. There is a way to correct. Stay tuned in this thread. Will give you a link.
But to prepare things in advance, root your phone.