this post was submitted on 17 Nov 2024
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Privacy
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Pixel 4 is past EOL with Graphene (and google)
Genuine question because I've been out of the loop on this. I had a Galaxy S5 that only got one major upgrade from Samsung (4.4 to 5.x I believe) but CyanogenMod and later LineageOS took that thing right up to Android 11.
Why can't the same be done with modern phones today? What changed between that old S5 and the Pixel 4a I ultimately sold for going EOL on GrapheneOS?
Edit: apparently I shouldn't compare apples to oranges without so much as quickly checking support for the Pixel 4a..
The kernel started moving faster, but also the kernel for these devices are orphans. They can never be updated properly because the source code for the kernel modules is not available. The way the phones get updated in ROMs is by back porting changes from the present back to the old orphan. It requires someone super familiar with both kernels to do so. Eventually it becomes untenable. The whole scheme of Android is centered around this source code/orphan kernel scheme. Everything is setup so that hardware manufacturers never have to add their source to the mainline kernel meaning you can never own the device. There is not a single phone or mobile device that you can completely own and running on mainline with available source code. The pixel is all about the TPM chip.