According to the 2015 song 'Hotline Bling', Drake's ex used to call him on his cell phone. The song became highly popular and was even called the "Song of the Summer," with its catchy tune and relatable lyrics about relationships and breakups. In the song, Drake admits to missing his ex and being tempted to call her back, but ultimately decides to move on. The phrase "call me on my cell phone" became iconic and is often used as a meme or joke on social media.