My phone is stuck on booting loop
It looks like your bootloader or recovery has been messed up. Were you trying to flash anything while this happened?
Best way to fix this is to get the phone in "Download Mode," then flash a new bootloader or recovery. To enter into download mode, press and hold the volume down, home and power buttons together until you enter the download mode. From there, you can flash a new recovery image over. Make sure the recovery image is specific to your phone model.