I think you can bring your device to the repairing center and if you don't use it anymore you can resell it.
what is the problem anyway? Motherboard? Charging connector?
Anyone has experienced random bootloops or not loading applications after flashing this kernel?
It happened also after formatting and reinstalling b632 but the problem occurred after two or three days again.
Have you tried to boot recovery with the command fastboot reboot recovery?
And what is that file named efi.img?I dont think it's the name of the recovery...
I have read that u had a water damage to your phone ...have you tried to clean the mother board with isopropyl alcohol, the phone will work again if the components are not damaged by oxide.