Repairing emmc of the galaxy tab 7.7?

Hello,
to all of you.
Actually, I have a Galaxy tab 7.7, some days ago, It went into the bootloop problem, I tried to factory reset it, then I tried to update its firmware, everything was done successfully, but when the tab restarts it shows the same problem and all the data is present, some days ago, samsung service center also tried to update its firmware but, there also, all the things done successfully, but when the tablet reboots the same problem with same data exists, then the service center told me that there is some problem is in emmc, so the whole motherboard needs to be replaced, I want to know Is there any software or technology exists that can check and repair the emmc, also please let me know If I am able to repair this problem without changing the montherboard? Hope to see reply soon.
Thank You.
Regards,
GEEKCOMPUTER_GEEK
 
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