pls help me im from hongkong … my samsung galaxy tab can not open …even i chrge it long time.. it was allready 2 days, the last time i used it is when i just check my email frm yahoo mail box.and thats it.. i was checking my file eirlier and it was not open anymore.. sometime, it was hung for a longer time.. but ths time.. even if i chrge it longer ,even the my galxy at the back is too hot, but stil i can not open anymore.. it was useless.. wht cn i do.. pls help me….