幫我譯英文...thz~

我想換電話

I want to change to a new mobile phone.
or
I want to trade-in my phone for a newer model. (現今流行 trade-in)

I want to replace my mobile phone.
假設你想換機，不是換號碼，且是手機。

I want to trade the telephone

I want to change my phone / mobile phone / mobile / cellular phone

1. I want to buy a new phone.
2. I want yo change my phone.

I would like to change my mobile phone.

I want to buy a new cell phone.

如下:
I want to buy a new phone.