ĐỂ XÁC ĐỊNH CHIẾC ĐIỆN THOẠI LÀ BAO NHIÊU INCHES , CÁC NHÀ SẢN XUẤT ĐÃ DỰA VÀO ĐỘ DÀI ĐƯỜNG CHÉO CỦA MÀN HÌNH ĐIỆN THOẠI , BIẾT 1 INCH ≈ 2,54 CM , ĐIỆN THOẠI CÓ CHIỀU RỘNG LÀ 6,8mm, CHIỀU DÀI LÀ 14mm . HỎI CHIẾC ĐIỆN THOẠI THEO HÌNH VẼ LÀ BAO NHIÊU INCHES ? biết kich thước màn hình chiếm 95%so với kiến thước màn hình

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