Default [HELP] I need backup from Blu Vivo 4.3

I need backup from the original recovery Blu Live 4.3 D910A

My smarthphone

I can not rooted
I can not change recovery
I can not hard-reset
I can not flash with Sp flash tool
I can not install apk

I think the only solution is to recover a backup made ​​from the original recovery. If someone has a Blu vivo 4.3 d910a or d910i I'll be grateful if you provided a backup. Should run the backup share my experience to people with similar problems in the future.