What a ROM is?
As a ROM (Read Only Memory) is referred to in the case of Smartphones, in General, the Firmware. So the Software on the device, which is comparable with the Beriebssytem on a Computer.
What is a Stock ROM is?
The Stock ROM is the Firmware, which is played directly from the manufacturer on the Smartphone. This is based on the Android source code of each Android Version (e.g. Froyo, Gingerbread, Ice Cream Sandwitch, Jelly Bean, Kit Kat) and the modifications of the manufacturer (e.g. Sense for HTC or TouchWiz for Samsung). When buying a new smartphone you have always installed a Stock ROM.
Alternatively: Custom-ROM
If you have the standard operating system is not like on your Android, you can so-called Custom install ROMs. These are modified versions of Android that are not provided by the manufacturer, but mostly by private developers. These ROMs offer many advantages, but you need Root access. What is it and how you come to read in this practical tip.
