My iphone is stuck on the logo then the spinning wheel, how do i fix it?

I jailbroke it, how do i fix this, i can't restore it, i've tried reseting it but none of it worked, does anyone know how?

Go for factory resetting

After jailbreaking, updating the OS, or restoring from backup an iPhone, iPod touch, or iPad, a problem can sometimes occur in which the iPhone won't boot properly. In this situation, the iPhone can get stuck at the Apple logo, or sometimes in an endless loop of rebooting--both of which render the device unusable.

In most cases, you can solve these problems by putting the phone into recovery mode and restoring it from backup. To do that, follow these instructions:

Connect the iPhone's USB cable to your computer, but not your iPhone.
Turn your iPhone off. If the phone won't turn off in the traditional manner, just keep holding the buttons until the screen goes dark.
Once you've turned the device off, press the home button on the face of the device and plug in the USB cable to the device's dock connector.
When it turns on, keep pressing the home button until the iTunes logo appears on the screen.
You'll know the phone is now in recovery mode because a window in iTunes will tell you.
You can then start the restore process by clicking the "Restore" button in the iTunes window.

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