I keep photos of my singular accomplishments on my cellphone to boost my spirits when needed.

我把记录我突出成就的照片存在手机里，以便在需要的时候用来振奋精神。

youdao

I talked to her on my cellphone.

我用手机跟她通了话。

《牛津词典》

But now I use my cellphone a lot and I surf a lot.

但现在我用手机会很多，上网也很多。

youdao

Obviously, you're not going to be on my cellphone plan when I'm 90 and you're 60.

WSJ: When Adult Kids Stay on Their Parents' Cellphone and Entertainment Accounts

The problem is that I'm not alone in using my cellphone as my primary path to the Internet.

WSJ: Confessions of an iPhone Data Hog

"They can continue to tap my cellphone if they want, " Mr. Liu said.

WSJ: New York City Comptroller Liu Defends Campaign