Whats difference between DCE AND DTE serial interface

DCE stands for data circuit-terminating, data communications, or data carrier equipment - this is a modem or more generally, a line adapter.

DTE stands for data terminal equipment which generally is a terminal or a computer.

Basically, these two are the different ends of a serial line.

you have to email it to yourself from your phone then download it to either google drive or you computer files. then you can go to where ever you saved it and select it and then copy and paste it. or you could attach it to your question when you are writing it which would be much easier. for example: go to the attachment.