factory reset galaxy s3
Performing a factory data reset using phone buttons. 1  Turn off Samsung Galaxy S3. 2  Press and hold down Volume Up + Home + Power buttons at the same time. 3  Release all buttons when you see SGS3 Logo. 4  Android system recovery will be loaded then.5  Select wipe data/factory reset.erforming a factory data reset using phone buttons. 1  Turn off Samsung Galaxy S3. 2  Press and hold down Volume Up + Home + Power buttons at the same time. 3  Release all buttons when you see SGS3 Logo. 4  Android system recovery will be loaded then.