Introduction
The Surface Go models use a soldered-down eMMC or NVME SSD, which can be replaced if you have the necessary BGA rework skills.
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Follow the steps in the screen replacement guide up until you have removed the screen
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Remove two Phillips 00 screws from the battery and apply insulating tape to stop it re-connecting
Ask FixBot
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Remove the 6 Phillips 00 screws from the CPU thermal plate and pry it off
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Use tweezers to pry off the metal shield from the SSD, located to the left of the display connector (upside down in this image)
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Remove all screws and connectors from the motherboard, then carefully lift it out
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The NVME (128GB or 256GB) models use a BGA291 PCIE 3.0 SSD, which has the NAND and SSD controller on the same chip. This one is a Kioxia BG4 256GB chip
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The eMMC models (64GB) use a different ball layout (BGA153)
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Remove the chip using hot air rework and flux
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To reassemble your device, follow these instructions in reverse order.
