This firmware is suitable for  V4EC, G4C, R3, R4M V3, R4M V5, X3, X3E, X5, R5, X4, C2M V6, D2EP V2, MCS2021, MCS4020, MDS2011, MGS4050, MGS4060, MPS4012, MPS4050, MPS4051, MPS4060, MPS4061, MPS5010, MPS5013, MPS5020, MPS5023, MPS5040, MPS5050, MPS5041, MPS5051.

Updates:

1. Enhanced security.
2. Improved system stability.
