Red is not good, check the manaul for more info.
If you do not have any backups, the only hope is to recover the files using the unbrick guide V1.
Not sure what you mean by “I don’t have any backup (the MBL itselft was supposed to be)”.
A backup is one or more copies of the data, regardless of the media. Read the link below for more info.
Here is some simple reading about backups.
http://www.cnet.com/how-to/digital-storage-basics-part-3-backup-vs-redundancy/
