hi mates i have samsung galaxy tab2(china) with me which struck in gmail account and password
any ways to hardreset it, it has only 3 hard buttons(pow on,vol+,vol-),
i tried all combinations like holding vol- pow on, vol+ pow on but no recovery menu


pressing vol+ and pow on brings another menu, but i think thats not recovery

how to hard rest these tabs, Or any links for firmware updates