RB1100AHx2 not loading after remote upgrade! Please Help Me!

I’ve type /system routerboard upgrade on my RB1100AHx2 with 5.26 firmware installed.
After terminal diplay say: are you sure…etc..etc.., I’ve clicked OK and reboot my routerboard.
Now RB not loading and with Winbox I cannot see her…
Tell me that I can recover my data (PPPOE secret, config etc etc)…
Help me!
I don’t want reset all…I’ve not backup…:frowning:

Don’t duplicate the posts.