trifa 
Install trifa app and use the internet around the world. It's cheaper than wifi rentals and easier than buying a local sim.
Official Website
Promo / Coupon code
GET CREDIT
SERBIA Also Covered By
23 data plans offered
7 data plans offered
3 data plans offered
42 data plans offered
27 data plans offered
17 data plans offered
4 data plans offered
32 data plans offered
27 data plans offered
1 data plans offered