Phone內建鈴聲有限，若想更換鈴聲，就必須先將檔案透過iTunes同

Phone內建鈴聲有限，若想更換鈴聲，就必須先將檔案透過iTunes同步至iPhone內，且檔案必須是m4r格式，此外，也可以到iTunes Store購買版權鈴聲，但相較於過去功能型手機和安卓系統仍相當不便。

結果 (英文) 1:

Phone built-in ringtones limited, if you want to replace the ring tone, you have to first sync with iTunes into the iPhone, and the file must be m4r format. In addition, you can also buy the copyright to the iTunes Store ringtones, but compared to the past and feature phones Android is still very inconvenient.

結果 (英文) 2:

The phone has a limited number of built-in ringtones, and if you want to change them, you must first sync the file to the iPhone via iTunes, and the file must be in m4r format, and you can also purchase copyright ringtones from the iTunes Store, but it's still quite inconvenient than in the past with feature phones and Android.

結果 (英文) 3:

The built-in ring tone of phone is limited. If you want to change the ring tone, you must first synchronize the file to iPhone through iTunes, and the file must be in m4r format. In addition, you can also purchase the copyright ring tone from iTunes Store, but it is still quite inconvenient compared with the functional mobile phone and Android system in the past.