Under the iTunes in the Cloud section, click Manage Devices. (If you haven't associated any devices with your Apple ID, you won't see the Manage Devices section.) Information about each associated device appears. Next to each device, you can see when it associated with your Apple ID.
The real reason why the burp smells so badly is hydrogen sulfide (H2S). If you eat foods that have sulfur proteins in them then you may find yourself burping the H2S, which will smell like rotten eggs. The sulfur reducing microbes in the intestine digest the proteins and release the gas.
What are the Causes of Smelly Burps & How to Get Rid of them Naturally. By upu on November 2, 2011 2 Comments. A burp is a natural body process of expelling gas through your mouth. Anyone can suffer from this problem; unfortunately many people experience a smelly burp that stinks like sulfur or rotten egg.