[Help] s4 bootloop case not rooted

Hello guys,
I wanna ask something bad news for me,
Can u guys help me step by step to fix my phone,

The problem :
1. when i'm press power button, its show the white logo of samsung i-9505 and then Restart and showing it again, and restart anymore, [searching on google it's called boptloop]
2. When i take off my battery from the device, and put it back, its going auto start with samsung white logo again, and bootloop like 1. Problem,
3. When i connect the usb device on computer, its show the charging mode with white screen and the lighting, but only around 5sec, and then turn off, and turn on with the same case,
4. I cant go into recovery mode [volUp+home+Power] anyway, because when i press them, my device go into the no.1 problem,
5. I can go into download mode but just only 5 sec, and return to no.1 problem

My device:
Not rooted,
not install cwm
Before the device bootloop i just use camera to take photo, but going overload[hot], and the device force shutdown,

Can u guys help me why my device like that?
im from indonesia, and sorry if my english so bad, i wish i've luck today,