Re: useless embedded apps
If you have Android 4.0 or higher, you can disable most of those apps by going to Settings/Apps/All, selecting the app, and tapping "Disable." Not all apps can be disabled, though. Disabling an app means you prevent it from opening, and therefore prevent it from using any system RAM. It does not, however, remove the app from your phone. In order to do that, you have to root the phone, which means gaining total control of the system--this typically voids the warranty, and if you don't know what you're doing, can lead to serious and irreversible problems with the phone (like if you accidentally delete a crucial system app and didn't back anything up). But if you learn how to do it, it can be very powerful. Lots of people on this forum can tell you more.