You'd have to plead your case by opening an suspension appeal through the account portal.
However, you should keep in mind that keeping backups of your data is your responsibility, we do not provide backups for accounts that has been suspended for being in violation of tos, when you violated the ToS you forfeit all rights to the account, which includes backups.
According to the note on your account you did violate ToS by NOT having your site in one of the supported languages:
ToS said:
3. Languages
At this time x10Hosting only supports English, Spanish and French websites on free hosting, these restrictions do not apply to paid hosting. Sites found breaking this rule will be permanently suspended.