| | Re: BB9900 keeps turning off
See the latest OS thread here on the forum for your model for the information. You don't need to delete the vendor file if the OS came from your carrier. If in doubt, delete it, it won't hurt.
I'm leaning to hardware fault now. I can't explain it.
I think you need to reinstall the OS to confirm. If you can try another battery before, that would be better. I have doubts it is the battery, but who knows.
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