• Welcome to the all-new Android Central Forums! - We're still moving some things around, so you may see a few quirks here and there, but we're working on getting things fully completed as soon as possible. For now, take a look around, and if you run into any major issues please let us know in this thread!

Samsung Galaxy S3 factory reset failing but phone works fine, what can I do?


AC Question

samsung galaxy s3 factory reset failing but phone works fine

Samsun Galaxy S3 GT I9300T
when doing a factory reset from the menu option and holding the buttons. I get the following error.
detecting device ...
- Recover: /dev/block/mmcb1k0p6
- system: /dev/block/mmcb1k0p8
- cache: /dev/block/mmcb1k0p8

mounting ...
- System
--- Fail
- Cache
--- Formatting ...
--- Fail

Rooting (SuperSU)

Restoring stock recovery ...
cleaning up ...
rebooting in 10 seconds

I have cleared out the cache, deleted all apps, images, photos, music, logs
as much as i can remove.
The phone works fine i just cant do a factory reset.


Jul 14, 2011
Something tells me it's the root. Not sure, but you might need to un-root to be able to do a factory reset. Or find a root-friendly way of wiping data.