When the 1GB is used up, or after 7 days, data stops. The days start when it first connects at your destination, so you can buy and install it before you go. Use it within 180 days of buying.
Bahrain: STC 5G · Iraq: Korek 4G, Asia Cell 4G · Kuwait: Ooredoo 5G, STC 5G · Qatar: ooredoo 5G · Saudi Arabia: Mobily 5G · United Arab Emirates: Etisalat 5G, Du 5G
