Try with the following tips for better internet connection,
* Clear your cookies, browsing history, etc.
* Turn off your background applications.
* Install latest and upgraded browser for your mobile to browse.
* Ensure that you have turned on your 3G settings.
* Make sure that your network gets full coverage
* For YouTube you must upgrade your Flash player and also update default YouTube application to current version.
You may get an improved result in connection by performing these. You can check the difference by having a speed test from
www.ScanMySpeed.Com before and after performing these steps. Good Luck Mate,