Unused data from one month does not carry over to the next.

Some authorized resellers, particularly in specific regions like India, have sold limited-data yearly plans (e.g., 50GB total for a year) that are sometimes marketed as "free" when bundled with other services.

If you encounter "50GB free" offers, they typically fall into these categories:

Combines the bandwidth of all available networks.

Speedify has run various promotions in the past that offered higher data caps for limited times, but these are rarely active indefinitely.

Can be used on up to 5 devices, though the 2GB limit is shared across them. What is Channel Bonding?