My HTC Desire 820G+ switched off suddenly and I couldn't able to turn it on again.

[AC Question]

Hello,today afternoon when I was holding my phone on my hand and probably it got a little scratched by something I didn't noticed aand when I pressed the power button to unlock it,I realized it was switched off.From then I am not able to turn my phone on again.I did every thing like pressing power+Volume up+Down button button.Did those together also individually but didnt worked.I am really worried about this.Please help me.I am a poor guy.I bought this phone with a really hard income and I wont be able to buy new one again.
Thank You

 

[the tall guy]

Hi, did you drop the phone? could it be that you've damaged it? have you tried a different charger with the phone? can you take it to a repair shop?

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