T-Mobile REVVLRY+ was officially announced in July 2019 , Device released in July 2019 Mobile Network Support and BandT-Mobile REVVLRY+ have Nano-SIM Card Slots, T-Mobile REVVLRY+ support all GSM Based network providers. T-Mobile REVVLRY+ mobile device support 2G Band Frequency at GSM 850,GSM 900,GSM 1800,GSM 1900 and Hight Speed 3G Network Band at HSDPA 900,HSDPA 1700,HSDPA 2100, T-Mobile REVVLRY+ also support LTE based 4G Networks