Chosen Solution
From somebody else’s flash memory from an iCloud locked iPhone 4 S?
Yes you can however it is a very time consuming and complex process that will not make economical sense. First the existing NAND IC has to be desoldered and “read” via a specialized NAND programmer to get all the metadata (SN# etc). Then the other NAND IC will have to be desoldered from the donor board. It will then be programmed with the previous metadata and then re-soldered onto the logic board. As with any micro-solder repair, there is always a certain level of risk involved. This is not a DIY repair and you will need to find a micro-solderer to do this. I can’t see anyone charging less than the actual value of an iPhone 4S so it’s probably not really worth it.
