GT-s5233 or GT-s5603 are the revolutionary touch screen models with distinct features. These phones have all the office related tools and also the internet related options. One can download various songs, videos, docs etc on to samsung star models and can also read rss feeds with its inbuilt rss feed reader. 
To activate internet and to use it, just follow the below 3 methods. After following the below steps you are redirected to the samsung fun club from where you can download content or you can go to your favorite site like google or yahoo.
Solution:
To access the internet site on GT-S5233/GT-S5603, follow one of the methods below:
Method 1 :
1. Tap ‘Menu’
2. Tap ‘Browser’
3. Tap ‘Home’: You can access homepage configured in your profile directly.
Method 2 :
1. Tap ‘Menu’
2. Tap ‘Browser’
3. Tap ‘Enter URL’ : You can enter URL address you want to access and go to the site directly.
Method 3 :
1. Tap ‘Menu’
2. Tap ‘Browser’
3. Tap ‘Bookmark’ : You can select a preset bookmark for internet access.
In browsing screen, you can touch address input field and put URL address you want to access and go to that site.
FAQ:
Q. Why is the Internet connection mode changed to GPRS automatically, sometimes?
Sol. Your Internet connection mode is changed to GPRS automatically, sometimes. This is because;
1. When you move out of the Wi-Fi zone, the Internet connection is changed automatically from Wi-Fi to GPRS.
* Using the Internet costs you extra charge.
* How to turn on/off Wi-Fi:
Step 1: Select Start -> Select Setting.
Step 2: Select Connections. -> Select Wireless Manager.
Step 3: Check Wi-Fi On/Off.
2. Microsoft’s Internet application (ex: Exchange mail) displays this behavior but it is not a bug. This is Microsoft’s POLICY.
Hi,
I have Samsung GT-S5603. You ahve said above to go to Connections -> Select Wireless Manager. I don’t see a “Wireless Manager” under connections. Also, whenever I try to connect I get “Access point unavailable”. How to setup internet connectivity on Samsung TG-S5603 phone. Thanks.
Same thing here, i can’t access the internet. it always says “service unavailable”. any help? thanks.