@pulterbit first of all congratulation
, great job, it looks much cleaner than whatever I did. How did you dump the eMMC? I hope you made sure that there were no writes happening to the eMMC between dumping it and replacing it with the SD card, or else you have an inconsistent file system, which can cause problems further down.
I can't see it exactly, where you soldering to the SMD resistors or the vias next to it? The recommendation for the hardmod is to solder to the vias and not the resistors, as they are supposedly are easily destroyed. On the other hand you will probably never need them every again...
If you were experiencing eMMC errors I would also recommend you to check for broken files and delete and replace them. I can provide you replacement files, if you give me a list of the broken files. Or you can try to get them from NUS.
Also it would be interesting to know what eMMC you had. can you make a picture of it, with the Part Number and the production date readable?
Has anyone tried to use a way bigger SD yet? It would be cool to at least have a 128GB NAND replacement.
Yes I did, I tried a 64 SDXC card from Samsung. The Wii U didn't like it, it was not even trying after the handshake. But it is also possible that it didn't like my SDXC card for another reason. But that is all the data we have so far. Maybe
@pulterbit can say what SD card he used.
It isn't weird. There were only ever two versions of the Wii U made: the 8Gb version and the 32Gb version. If it isn't an 8, it must be a 32. Simple as that.
I would argue against it. The Wii U can use sdxc cards in the SD slot and it is probably using the same driver for that. So it isn't unreasonable to expect it also to work as an eMMC replacement.
But you still couldn't use the additional storage as you would still have to grow the file system, and we can't do that right now.