Usar la aplicación APKPure
Obtener Repair Data From Corrupted SD Card versión histórica en Android
Guía de reparación de datos de la tarjeta SD corrupta
Repair Data From Corrupted SD Card Apps and methods to recover corrupted (damaged) memory card, repair formatting errors, fix and make micro sd card work on PC or phone
It have simple methods to recover your damaged sd card.This is very easy way to help you