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Zenfone 3 zs550kl model

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May 25, 2016
I have the zenfone 550kl, I tried to flash twrp. In doing so I managed to mess up my android os. I have tried flashing the stock os, but it tells me wrong sku for the ww version. I have a backup of my os, issue with it is that it wont read my sim card and i cannot use any mobile data and am forced to leave the sim card unplugged. Once entering the sim card, the phone crashes.

I have been scratching my head at this problem for 5hrs now.
Can some one please advise me on what to do next?

Edit: trying to flash the firmware gives me error 7 in twrp.
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