I was able to backup (data / boot / system) to an external disk :)
Then i wipeout data and install the new rom (xiaomi.eu_multi_MINote3_V11.0.4.0.PCHCNXM_v11-9.zip)
Now the phone works OK...
Then i enter TWRP and wipeout data and RESTORE to my old data...
When reboot... i am stuck in MI logo...