Question Is data loss after failed to restore iphone

khaishitaro

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Mar 4, 2018
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I have an iPhone 5s that had an attempt to restore at a phone repair shop but they wasn’t able to restore it and got an error 9 on iTunes because of NAND problem if they repair the NAND is it possible for them to copy the data on there or is it loss?
 
I have an iPhone 5s that had an attempt to restore at a phone repair shop but they wasn’t able to restore it and got an error 9 on iTunes because of NAND problem if they repair the NAND is it possible for them to copy the data on there or is it loss?