Huawei Ascend G300 Problem!

I have an huawei ascend G300, and i was trying to rooted, when i rebooted the phone he didn't booted up, it start's and shuts down immediately.

here's something that might help:

http://www.modaco.com/topic/362681-guide-how-to-unbrick-the-g300/

Good luck!

thank you i will try it out...