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I've got a Samsung Galaxy Grand Quattro.
When I was using it suddenly switched off after showing a blue screen. And when I tried to switch it ON. It was ON for sometime, but switched off again and kept doing that till the battery drained out. Please help me to solve it.

migrated from superuser.com Sep 30 '13 at 13:42

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    Text say "Samsung Galaxy Grand Quattro", tag say "Samsung Galaxy S2"... – Matthieu Harlé Sep 30 '13 at 14:40
  • What phone do you actually have? Is it rooted? What firware is it running? – RossC Dec 20 '13 at 11:00