What features remain in the ROM of an Android phone?
ROMs are still primarily assembled main Android resource code (or applications, etc torn from dumps of more recent phones backported to older phones) with tweaks and also some small personalized energies or attributes that are not consisted of in the supply ROM for a details phone.
The largest factor of ROMs is obtaining more recent variations of the Android os (or as high as the phone's hardware can sustain - see the G1 as minimal tool instance when it involves Android 2.1 npls) on older phones. This is probably the bottom line of the CyanogenMod.
ROMs additionally might be really comparable to equip ROMs yet are of various "themes" that transform the shades of the alert bar, etc
Well, the OS remains in the ROM, to begin with.
You're dealing with a terms trouble : "ROM" s nowadays are all commonly Flash memory, which is erasable and also rewritable, yet not byte - by - byte. So the OS might also stay in the very same physical ICs as the 'major' phone memory.
Primarily, personalized ROMs can enhance/modify/break EVERY facet of your phone's procedure. There is a different 'radio rom' that includes the reduced - degree vehicle drivers for the wifi/gps/3g/ gsm/bluetooth features, and also these commonly aren't 'tailor-maked' yet you might still locate more recent variations readily available that can boost particular facets of your phone.