Updated failed! Please retry it! error help

[alttimate]

i need help on my huawei s7-101 tablet, i messed up with the lock patterns so i got locked out of the tablet.

i went online for a solution and was told to do some press of buttons; it didn't go through well so anytime the s7 powers on
i am confronted with this red text: Updated failed! Please retry!

Please i need someone to help me restore it back.