Xiaomi Redmi Pro Mini was officially announced in March 2017, (Expected Announcement) , Device Expected to Release in and it was not yet officially released, Mobile Network Support and BandXiaomi Redmi Pro Mini have Hybrid Dual Sim, (Micro Sim + Nano Sim) Card Slots, Xiaomi Redmi Pro Mini support all GSM Based network providers. Xiaomi Redmi Pro Mini mobile device support 2G Band Frequency at GSM 850,GSM 900,GSM 1800,GSM 1900 and Hight Speed