1. adsorption ikomeye kandi ishyigikire 360 ° kuzunguruka
2. Umuyoboro wa rukuruzi uhamye, kugendagenda neza, ntabwo bigira ingaruka kubimenyetso bya terefone igendanwa
3. Birakwiriye kuri terefone igendanwa ya 4.7-7.2, nayo ikorana na terefone
4. Ubuso bwa Silicone bushyigikira anti-seismic kurinda terefone
5. Igishushanyo mbonera cya olecranon gishyigikira gufunga no gufunga terefone, gufata neza no kurwanya kugwa
6. Ntukoreshe imiti ikarishye kugirango usukure, birasabwa guhanagura igitambaro cyoroshye cyangwa igitambaro cyoroshye