Hacking Question NAND Fuse

IMx83

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Hello Guys,

if i replace the EMMC does that make the burnt fuse count 0?

or should i change the motherboard?
 

The Real Jdbye

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Hello Guys,

if i replace the EMMC does that make the burnt fuse count 0?

or should i change the motherboard?
Fuse count is in the SoC, which is very difficult to replace. It's a BGA chip, getting it off is one thing but getting it back on is a whole other beast, every single one of those pins need to be aligned and making good contact without being able to see what you are doing when you are applying hot air to resolder it, plus, you need a stencil to reball it, and without doing so, it makes getting a good connection much harder.
You need a matching pair , don't waste your time changing motherboard and emmc, just get an unpatched unit with low fuse count if that what you want.
Not entirely true, you can use any eMMC and flash your NAND backup to it. Not that that helps in this case.
 
Last edited by The Real Jdbye,

The Real Jdbye

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His intention is to change the fuse count not to reflash the nand.
I know, hence the "not that that helps in this case"
I just don't want people coming across this thread to get the idea that changing the eMMC chip is not possible. Many people have done so successfully with larger eMMC chips.
 
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