Telekom is the first operator in Hungary that offers eSIM cards on its network that is built into the device - Press Releases - Press Room - Magyar Telekom
Hungary | Prepaid Data SIM Card Wiki | Fandom
Operator Watch Blog: Hungary's MNOs are keen for Nationwide 5G Rollout
Networks available in Hungary
Hungary's mobile network among the best of the world - Press Releases - Press Room - Magyar Telekom
Prepaid Sim Card in Hungary - Christian Transfers Blog
How to have Mobile Internet in Hungary: Which option to choose? - Roami