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Help Questions about diy hardware upgrade

Savage Shadows

Android Enthusiast
So, I've looked this up before, but not found anything on this. This is something that could apply to other phones, if it's possible to do in the first place. I have much love for this device, and don't plan on getting myself a new phone for a while. But even with options like miniscule micro SD plug-ins that fit into the micro usb port available for those willing, what about something permanent?

Ifixit shows the THGBM5G6A2JBAIR NAND flash memory chip used in the 8gb model, so I assume that the 16gb model uses the THGBM5G7A2JBAIR (based on same class and e-MMC version). I take it class has to do with r/w speed and other specs, while e-MMC would be more closely related to how it is controlled and the driver used.

So I propose, if somebody had the skilled hands and tools (not to mention a spare N4 for trial), could the embedded chip be removed and replaced with a higher capacity chip like the THGBM5G9A8JBAIG? Tools and skill aside, could a consumer even install the kernel, bootloader, os, etc on the new chip? Would all the software need to be altered with a new driver for the different memory chip?

If something like this were possible in skilled hobbyist hands, this could open up new possibilities for consumers as far as memory options (buy the cheapest model, throw in your own memory). As an extreme, maybe even force oems to lower the price of higher capacity models or eliminate low capacity models altogether, over time of course.

Let the thoughts flow!
 
a spare N4

.. what a lovely thought :D

I like the idea, coz the phone companies totally rip you off for on-board space however I don't think it's going to fly on the simple grounds that, if it was, people would already be doing it and there'd be vids all over YouTube showing you how.

.. but if someone else wants to give it a whirl .. maybe using some ancient phone as PoC .. :D
 
I don't have the tools, but i do still have an old galaxy prevail. Maybe I'll look into that as PoC, if there's a compatible chip. My roadblock would be installing firmware in the first place. No clue what to expect there.
 
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