Where did I Buy Samsung Ativ Tab p8510?

I bought this tab from South Africa but I am staying in Malawi where we have Airtel and TNM telephone services providers.we use their dongle for internet services but they don’t work for this tab.it says download modem from Google store but there is

How big is the screen on the Samsung Ativ?

At IFA 2012 , Samsung officially introduced the new ATIV family. In addition to the already reviewed ATIV Smart PC XE500T1C, the model with Microsoft’s Windows RT makes its debut. The Samsung ATIV Tab has a 10.1-inch PLS display with a resolution of 1366 x 768 pixels.

What kind of processor does the Ativ Tab have?

The ATIV Tab features an ARM-based Qualcomm Snapdragon S4 Plus system-on-a-chip, running at 1.5 GHz, and an integrated Adreno 225 graphics chip. The hardware list includes 2 GB RAM, 32 GB flash memory, a 5 MP camera, and the latest wireless technologies. This sums up the available configurations.

Are there any apps for the Samsung Ativ Tab?

In addition to the standard apps, Samsung has also pre-installed ChatOn, box, doubletwist AirSync, and a photo editor. You can find more information on Windows RT in our previous reviews: Asus Vivo Tab RT TF600, Lenovo IdeaPad Yoga 11, and Microsoft Surface RT.

How much memory does the Samsung Ativ Tab have?

The Google Nexus 10 and the Apple iPad 4 are heavier, weighing 603 and 652 grams respectively. The Samsung ATIV Tab is available with 32 GB memory which is the only option at the moment. After the initial installation, in Windows Explorer we see only 14.1 GB free out of 23.6 GB (net capacity: 44%!).

Can a Samsung Ativ Tab be used in Malawi?

I can’t use a dongle in Malawi for this tab.I am supposed to download modems from store but there aren’t any by our phone providers in Malawi.Apart from WiFi from selected areas how else can I access internet services from this Samsung ativ tab?