"A" pad? Made in China? I guess you can throw it away already. LOL. FYI, China's stuffs won't last long.
I remembered years back I brought a "China iPhone", used it for awhile, it was VERY VERY lag, and it just somehow spoiled after 2 or 3 months.
Now I've the original iPhone for about a year, it's still working perfectly.
Well, back to your question, is there any battery included? Try removing the battery and boot the system up again.
I think there's no way for you to reformat this "A" Pad, LOL.