prestigion tablet : lost my pattern and google account and dont have recovery menu i lost my android pattern and my google account password.
my tablet dont have any recovery menu and download mode ...
i hold down Vol Up + Power OR Vol Down + Power OR Home + power and ...
no resone to go in recovery menu ...
no fastboot and no adb is active ...
how i factory reset my table without adb,recovery Mode and fastboot ?
is any way to auto update from update.zip from sd card in boot time like some HTC phone ?

tablet model : Prestigio PMP5197D Ultra

help me
You can flash your tablet to be able to use it again.
Head on this site to learn how to: flash it