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AC68R Still Says AC68R After Flashing AC68U

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Kevin K

Regular Contributor
If AC68R and AC68U are identical hardware in different packaging, how does my AC68R still show "AC68R" when I browse router.asus.com after flashing it with Merlin AC68U 384.19?

I was expecting that flashing with AC68U firmware would make it look *exactly* like an AC68U. Is the firmware dynamically pulling a model number from ROM?

This isn't a "problem" -- I'm just trying to understand the behavior.
TIA
 
The RT-AC68R model is controlled by a tag in both the CFE and in NVRAM. In fact, when NVRAM is initialized after a factory reset, the tag odmpid is copied from CFE into NVRAM. And that's what your router thinks it is.
To see the value in CFE via ssh:
Code:
 strings /dev/mtd0 | grep odmpid
When you install new firmware, the CFE is not normally updated. Occasionally new CFE firmware gets pushed along with the router firmware, but I'd expect that would still preserve many of the original CFE settings. Remember the CFE is like the router's BIOS.
 

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