HELP! I upgraded but now my N900 is constantly rebooting (( 1. OTA didn't work caused of not enough free rootfs 2. Upgrade by Nokia PC Suite worked until the N900 rebooted 3. I tried to reflash it with the flasher-3.5 tool, it also worked but the N900 is still booting German N900 with successfull upgraded 44 > 51 version What can I do ??? It's my only mobile phone at the moment Thank in advance