crwdns2934241:0crwdne2934241:0 Chris Stables

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Error 4013 can be caused by a lot of things but mainly the NAND. It is caused by a loss of USB connection. The first thing to do with a phone like this is to completely rule out parts. You can do this by installing the logic board into a known good housing with a known good battery.

Once you have confirmed it is not a parts issue you would move to the logic board.

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open