There was very poor reception on my phone.

我的电话接收效果很差。

《牛津词典》

I'll use that food delivery app on my phone.

我要用我手机上的那款外卖软件。

youdao

The notice on my phone was telling me that there was a movement in my flat and also a face that the software did not recognize.

我手机上的通知告诉我，我的公寓里有动静，还有一张软件无法识别的脸。

youdao

So, we approached this machine here, the photograph is a little blurry, but it was very clear to us but if you zoom in on the screen and apologies for the reflections, again, this was just taken with my cell phone, you see what appear to be three huge buttons and at the top it said something like have a Charlie Card, which may very well apply to a lot of locals.

所以，我们走近这个机器，这个照片有点模糊，但对于我们来说是清楚地,如果我把它在屏幕上放大，我对这个影像感到抱歉,但是，这是用我的手机拍的,你们可以看到这里上面有三个很大的按钮,写了一些关于Charlie卡片的东西，对本地人来说是相当熟悉的。

哈佛公开课 - 计算机科学课程节选

Finally, I played a song on my phone, then tapped it on a speaker which played the music.

BBC: NFC - not for consumers?

Still, I pay for internet at home, internet at work, and internet on my phone.

FORBES: Will Consumers Start Ditching Expensive Smartphones For Cheap Tablets?

So I pressed the button on my phone and the app informed me it would be six minutes.

FORBES: Winners and Losers In The Last-Second Economy