7. Do not spam, sell or trade on the forums.
If you wish to advertise a product, simply contact us. We can provide ads but you are not permitted to just post it in the forums. If you do, it will be removed and you're likely to receive a ban.
11. Don’t post with the intention of selling something.
Don’t use XDA to advertise your product or service. Proprietors of for-pay products or services, may use XDA to get feedback, provide beta access, or a free version of their product for XDA users and to offer support, but not to post with the intention of selling. This includes promoting sites similar / substantially similar to XDA-Developers.com.