Originally Posted by lingowistico
But what prevents us from editing cid and mid on our Galaxies manually to get OTA. Also you mention CID&MID and Firmware as reasons for OTA. So which is it? Firmware or CID&MID? AFAIK firmware is just another word for rom.
I don't have as much experience with Samsung as HTC and LG, but the firmware on the Sense and GPE editions of the M8 are definitively different.
For example, your GPE phone won't boot if you flash the firmware for Sense (the firmware, at least on HTC devices, is part of the OTA files that contains ramdisk, kernel, radios, and other things).
From my understanding, the barrier for the Samsung GPE is the kernel. You also don't get S-Off like accessibility, so you can't modify stuff like you can on other phones.
I think that's the case because if you have a true GPE S4, you can't flash TouchWiz or TouchWiz based ROMs unless you change the kernel.
All I know definitely is that there are no full GPE conversions available for the S4, just ROMs. I'm guessing it's the kernel and lack of full control, possibly amongst other things.
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