I took the battery out of my iphone 4 and now it won't turn on?

My phone was acting funny and was showing the apple sign and showed it was turning on and then it would shut off. I got impatient and took off the back cover of my phone and took the battery out. I didn't turn it or nothing. Then I put the cover back on and the screws and try to turn it back on and nothing happens. What do I do

Wtf why would you open it up? Therers delicate wires and chips that you may have ruined, you need to get a professional to check it out

You may have damage some wires or sth else, you need to go to the iphone shop to have it checked

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