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Why my Huawei Y520-U22 gets stuck on logo

My Huawei Y520-U22, when am switching it on, it just gets stuck on Logo its keeps blinking and when i am connecting using the USB data Cable to the computer, it is not detecting but it can charge. am not worry about the data inside my phone anymore but i just need my phone work as usual. please let any one help me on this problem and i will be glad. Thanks a lot in advance.PLEASE SOME ANSWERS

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after flashing same problem stuck on logo how i fix?

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try to hard reset the phone

here a youtube link

https://www.youtube.com/watch?v=sHVRAudQ...

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data wipe failed... :( what do i do now??

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test the board

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after hard reset same problem

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try flashing your cell

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what should I do to reset my phone

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