i have also the same problem when i hold the power button for 2 , 3 second apple logo appears but when i release the power button it goes black i’m seeing active back-light for 1 mint. is there any solution..?? please.
there is more one thing, is my when i connect my phone with laptop its shows unrecognized USB. i gave some one to repair but problem still there. so i decided to open my phone when i opened my phone i saw someone has removed the usb ic and also damaged the print of this ic. is there any help please..