also: けいたい
Standard term for a mobile phone. The abbreviation 携帯 (けいたい) is very common in casual speech.
I bought a new mobile phone.
電車の中で携帯電話を使わないでください。
Please do not use your mobile phone on the train.
My phone rang during the meeting and it was embarrassing.
Please turn off your mobile phone in the theater.
I charge my phone before going to bed.
I contacted my friend on my mobile phone.
I put my phone in airplane mode before boarding.
smartphone
mobile game; cell phone game
next-generation mobile phone
personal handyphone system; PHS
smartphone; high-functionality mobile phone
prepaid cellphone