Zain, Mobily, and STC modem with SIM card, SIM cards available for all networks

I have a SIM-based modem (router) for free from Zain, Mobily, and STC with unlimited internet, fair usage policy, a portable device that accompanies you anywhere in the Kingdom of Saudi Arabia, 48-hour trial experience, any amount you pay will be refunded in the fourth month, meaning the fourth month you won't pay anything, free delivery to your doorstep, and comes with a signal booster, plus free Shahid and OSN apps