YOU SAID:

I dropped my phone down the toilet

INTO JAPANESE

トイレに携帯を落とした

BACK INTO ENGLISH

Lost her mobile phone into the toilet

INTO JAPANESE

トイレに彼女の携帯電話を失った

BACK INTO ENGLISH

Lost her cell phone in the toilet

INTO JAPANESE

トイレで彼女の携帯電話を失った

BACK INTO ENGLISH

Lost her cell phone in the toilet