No need to worry at all, IF you got your USB Cable (Comes with the phone, DCU-60) you can do it even without loosing your Data.
I'v done it with 100% success rate, just carefully follow the steps and Kinda! you will feel cool.
Here's the article i wrote in my Tips and Tricks section.
And don't forget to Rate!, and leave a testimonial IF your issue was resolved, and it will. DO Contact me having any issues related. Regards, Waqar.
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when we are keeping charging,the phone is going to usb mode and after sometime the whole screen...
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when we are keeping charging,the phone is going to usb mode and after sometime the whole screen turned into white and its not working