Вот так например: http://android-help.ru/105/%D0%BA%D0%B0%D0%BA-%D0%BF%D0%BE%D0%BB%D1%83%D1%87%D0%B8%D1%82-%D1%80%D1%83%D1%82-%D0%BF%D1%80%D0%B0%D0%B2%D0%B0-%D0%BD%D0%B0-samsung-galaxy-ace