Android SKY Mirach IM~A740s Korean with Android 2.3 Gingerbread Mobile Is Better Than Any China Andoid Mobile. Here we talk about pattern lock problem slow speed of mobile and hang problem. We can solve these problem by hard reset method via key combination. Follow the steps below....
1.Press and hold volume Down+ Search+ power button.
2.When android logo appear
3.Press Option Button Near Manu Button
4.use vol down key for scroll (don't press vol up key)
5.go to wipe/reset and Manu Key to select
now reset done