BLU Studio 5.3 S was officially announced in April 2013 , Device released in May 2013 Mobile Network Support and BandBLU Studio 5.3 S have Dual Card Slots, BLU Studio 5.3 S support all GSM Based network providers. BLU Studio 5.3 S mobile device support 2G Band Frequency at GSM 850,GSM 900,GSM 1800,GSM 1900, Both SIM 1 & SIM 2 and Hight Speed 3G Network Band at HSDPA 850,HSDPA 1900,HSDPA 2100, comes with network handling support