Virgin. While off, I hold power, vol up and down.
My comp still hasnt detected my phone. I think my computer must be the problem.
And is there a big yellow triangle? Sounds like you are in Recovery to me.
How to get into download mode:
Take your microUSB cable and plug it into the computer, but not the phone (yet).
Take out the battery from the phone.
Put the battery back into the phone.
Put the back cover back onto the phone, make sure it's snug so the battery doesn't fall out.
Hold vol + and -, keep holding them.
Plug the USB cable into the phone.
You should now be in download mode and should see a picture of a yellow triangle with Andy and a shovel in the middle.
You can now flash your Odin/Heimdall file.
It’s always nice when a large OEM graces one … more
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