YOU SAID:

I am going to sit on my phone on the toilet.

INTO JAPANESE

私はトイレで私の携帯電話に座るつもりです。

BACK INTO ENGLISH

I'm going to sit on my cell phone in the bathroom.

INTO JAPANESE

私はトイレで携帯電話に座るつもりです。

BACK INTO ENGLISH

I'm going to sit on my cell phone in the bathroom.