Undecided if my response Appears easy and stupid, and maybe it's got by now been recognized to you personally because long time ago, but considering that protecting against someone from applying browser back button to view your historic internet pages is one of your plans, You should use: ベストアンサー：お見受けしたところ予想ですがあなたはapple iphoneユーザーだと思うのですがもしそう... https://www.aeroindustrial.com/product/dron-dji-matrice-4td-con-camara-termica-y-zoom-inteligente-para-seguridad-y-respuesta-rapida-con-control/