Mbali:
1, foni yam'makutu ya iPhone, ingagwiritsidwe ntchito nthawi yomweyo, palibe malire a chingwe chotumizira, ndi yabwino kwa inu.
2，imagwiritsa ntchito sipika ya titaniyamu ya diaphragm kuti imveke bwino.
3, kapangidwe kake koyambirira kokhala ndi theka la khutu, kosavuta kuvala,
4, kusintha kosavuta, batani losinthira, voliyumu mmwamba ndi pansi, kuyimba poyankha.
5, yokhala ndi bokosi la kristalo lokhala ndi kapangidwe kabwino kwambiri ka bokosi la mphatso,