Buying a phone is the topic of this lesson. This lesson includes the sentence:"Nǐ gāi huàn gè shǒujī le!" - "You should swap your phone for a new one!"
This video (see at YouTube) is of medium level difficulty. It has subtitles in English, Pinyin and Chinese characters.
38 videos by
Travel in Chinese – Lesson 1... (medium)
The browser (medium)
On the bench in an exhibition hall (medium)
38. Hobbies continued (medium)
>> more videos or or play the game