Hard reset? ITOS reinstallation?

[mraya]

I have lost GPE calendar and can't fix it, i have lost flash support for MicroB and i have no idea how to fix that., and for plain curiosity, how do you go back to zero?

Thanks!

[pipeline]

n800 right? although i think the updater supports both

http://www.nseries.com/products/n800/#l=support,n800,device_software,settingwizard

[mraya]

Thanks! It worked great.