Questions concerning the firmware image (i.e. a system image) for an Android device. See full tag wiki for details.

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5
votes
2answers
2k views

What functions are in the ROM of an Android phone?

I would like to get a clear picture of what is in the ROM vs. what is in the OS. This will help me understand what those custom ROMs are all about.
4
votes
1answer
1k views

Is a phone's ROM and Firmware the same thing?

I have heard of Custom ROMs and Custom Firmware, are they the same thing? If not, whats the difference?