-slow-Gets le caught-very short battery life-will you send a diagnosis -Diagnostics does not show anything abnormal-you're told to do backup- and restores as manufacture-will you send articles - https://support.apple.com/es-es/HT201252 - (restore device of manufactures). - https://support.apple.com/es-es/HT203977 - —(Hacer Copia de Seguridad). http://www.apple.com/es/batteries/maximizing-performance/
sendo traduzido, aguarde..