Cleaning a phone with anything containing isopropyl alcohol will destroy your oleophobic coating ! Only use a dry cloth, or in extreme circumstances a lightly moist cloth.
#9 it's not true in LCD screens. Lowering brightness can save battery but displaying black color on LCD drain little more power then white color. It can be true on CRT monitors and LED displays.
Cleaning a phone with anything containing isopropyl alcohol will destroy your oleophobic coating ! Only use a dry cloth, or in extreme circumstances a lightly moist cloth.
#9 it's not true in LCD screens. Lowering brightness can save battery but displaying black color on LCD drain little more power then white color. It can be true on CRT monitors and LED displays.
Only use a dry cloth, or in extreme circumstances a lightly moist cloth.