3G 4G

The primary difference lies in speed and latency. 4G offers significantly faster data transfer rates and lower latency compared to 3G, enabling smoother streaming, quicker downloads, and more responsive online gaming or video calls. While 3G is still functional, 4G provides a superior internet experience.

Many devices support 3G and 4G, including smartphones, tablets, mobile hotspots, USB dongles, and dedicated 4G LTE routers. At tudo.lk, you can find a wide range of these devices to suit your specific connectivity needs.

Yes, major mobile network operators in Sri Lanka have expanded their 4G LTE networks significantly, providing extensive coverage in urban areas and increasingly in rural regions. We recommend checking with your specific network provider for detailed coverage maps.

While most modern SIM cards are 4G compatible, it's always best to confirm with your network provider. Older SIM cards might need to be upgraded to ensure full 4G functionality and optimal speed. This upgrade is usually free of charge.

Yes, most 4G devices are backward compatible, meaning they can connect to 3G networks when a 4G signal is unavailable. The device will automatically switch to the strongest available network, ensuring you stay connected even in areas with limited 4G coverage.

tudo.lk offers a variety of convenient payment options. You can pay securely with Credit Cards, and for added flexibility, we also provide KOKO installment plans, allowing you to purchase your desired 3G or 4G device with ease.