1.When answering this question, you should discuss both the positive and negative effects of mobile phones on friendships. 2.For positive impacts, you can mention that mobile phones make it easier to stay in touch, communicate instantly, and share experiences, which can help maintain and strengthen friendships, especially over long distances. 3.For negative impacts, you can talk about how excessive phone use might reduce face-to-face interactions, cause misunderstandings through text, or lead to distractions when spending time together, which can weaken the quality of friendships.