Rock Pi X 4g LTE Cell Phone

Hey guys I am looking into building my own cell phone using my rock pi x. I have done alot of research. Im thinking using 7 inch screen & case. With a battery (not sure if be external or internal yet. Im looking for info on compatibility with screens also with this. ZW5jcnlwdGVkUXVhbGlmaWVyPUEzWEpKQzNOQjQ4MUgmZW5jcnlwdGVkSWQ9QTAyNjg3OTdTRzM0VUwzWDZKNk4mZW5jcnlwdGVkQWRJZD1BMDgxMDcyMzFHS1lIMExLRlU2MEkmd2lkZ2V0TmFtZT1zcF9kZXRhaWwmYWN0aW9uPWNsaWNrUmVkaXJlY3QmZG9Ob3RMb2dDbGljaz10cnVl. or. Theres not much info on rock pi out there i really want to use it for x86 or should i try something different