yes, it worked,

thanks
pierre-philipp

Michael Lorenz wrote:
> Take the battery out again, pull the power plug, short circuit the 
> battery socket's contacts to drain any capacitors that may still be 
> holding some charge, then wait a little longer than 20 minutes. My S900 
> took a couple hours to lose its nvram contents so letting it sit like 
> that over night should very likely do the trick.