Latest Opera Mini 4 user agents:

User Agent Platform Device
Opera/9.80 (SpreadTrum; Opera Mini/4.4.34911/191.396; U; pt) Presto/2.12.423 Version/12.16 Unknown Unknown
Opera/9.80 (SpreadTrum; Opera Mini/4.4.34868/191.396; U; pt) Presto/2.12.423 Version/12.16 Unknown Unknown
Opera/9.80 (SpreadTrum; Opera Mini/4.4.34860/191.396; U; pt) Presto/2.12.423 Version/12.16 Unknown Unknown
Opera/9.80 (SpreadTrum; Opera Mini/4.4.34080/191.396; U; pt) Presto/2.12.423 Version/12.16 Unknown Unknown
Opera/9.80 (MTK; Opera Mini/4.4.31381/191.396; U; pt) Presto/2.12.423 Version/12.16 MTK / Nucleus Unknown
Opera/9.80 (MTK; Opera Mini/4.4.31381/191.385; U; pt) Presto/2.12.423 Version/12.16 MTK / Nucleus Unknown
Opera/9.80 (MTK; Opera Mini/4.4.31381/191.379; U; pt) Presto/2.12.423 Version/12.16 MTK / Nucleus Unknown
Opera/9.80 (MTK; Opera Mini/4.4.31381/191.376; U; pt) Presto/2.12.423 Version/12.16 MTK / Nucleus Unknown
Opera/9.80 (MTK; Opera Mini/4.4.31381/191.370; U; pt) Presto/2.12.423 Version/12.16 MTK / Nucleus Unknown
Opera/9.80 (MTK; Opera Mini/4.4.31381/191.361; U; pt) Presto/2.12.423 Version/12.16 MTK / Nucleus Unknown
Opera/9.80 (MTK; Opera Mini/4.4.31381/191.359; U; pt) Presto/2.12.423 Version/12.16 MTK / Nucleus Unknown
Opera/9.80 (MTK; Opera Mini/4.4.31381/191.356; U; en) Presto/2.12.423 Version/12.16 MTK / Nucleus Unknown
Opera/9.80 (MTK; Opera Mini/4.4.31381/191.355; U; pt) Presto/2.12.423 Version/12.16 MTK / Nucleus Unknown
Opera/9.80 (MTK; Opera Mini/4.4.31381/191.347; U; pt) Presto/2.12.423 Version/12.16 MTK / Nucleus Unknown
Opera/9.80 (MTK; Opera Mini/4.4.31381/191.347; U; en) Presto/2.12.423 Version/12.16 MTK / Nucleus Unknown
Opera/9.80 (MTK; Opera Mini/4.4.31381/191.344; U; pt) Presto/2.12.423 Version/12.16 MTK / Nucleus Unknown
Opera/9.80 (MTK; Opera Mini/4.4.31381/191.343; U; pt) Presto/2.12.423 Version/12.16 MTK / Nucleus Unknown
Opera/9.80 (MTK; Opera Mini/4.4.31381/191.343; U; en) Presto/2.12.423 Version/12.16 MTK / Nucleus Unknown
Opera/9.80 (MTK; Opera Mini/4.4.31381/191.340; U; pt) Presto/2.12.423 Version/12.16 MTK / Nucleus Unknown
Opera/9.80 (MTK; Opera Mini/4.4.31381/191.320; U; en) Presto/2.12.423 Version/12.16 MTK / Nucleus Unknown