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I'm sure the screen is the same for all 3 models. The only difference is 3G or wifi modules. The screen serial number is on the connection ribbon cable. Ebay and Alibaba that sell replacements list the serial numbers. When you remove the motherboard you don't have to remove the battery of the 3G or wifi modules. You don't need to separate the motherboard from its midframe or disconnect any of the little ribbon cables. Just disconnection the ribbon cable for the screen, take out the screws that attach the midframe and motherboard to the faceplate, and you'll have to pry the screen from the faceplate -- it is stuck-on with double-stick tape. No need to replace the tape, just put the new screen in place. It's very easy, just takes patience with the tiny screws. Sliding the plastic top upward to free the backplate is a little different from other models, but quite easy. Then there are tiny screws that hold the backplate in place. You'll have fun!
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