what is OSS/STOCK VENDOR?

eric2

Senior Member
Jul 19, 2014
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Stock-vendor refers to the firmware for the phone that is developed by the manufacturer of the phone.
Currently it is believed to be more stable than the OSS-vendor. The problem with the stock-vendor is that in time the support will stop (no more upgrades to newer Android versions), because the manufacturer prefers you to buy a new phone instead of using your phone for years.

The OSS-vendor refers to a firmware developed by the open source community.
It is expected that the OSS-vendor will be supported for much longer than the stock-vendor.

Some or maybe most ROM-developers plan to switch to OSS-vendor once it is stable enough.