burner phone

Translations
одноразовый телефон
He bought a burner phone for the trip to avoid roaming charges.
Он купил одноразовый телефон для поездки, чтобы избежать роуминговых тарифов.
Definitions
A burner phone is a prepaid mobile phone that is used temporarily and discarded after use, often to maintain privacy or anonymity, particularly in situations where the user does not want to be tracked or identified.