New fw Firmware Xperia M(C2004) 15.2.A.2.5
link:
part1 : http://www.mediafire.com/download/yy4asd988y4jfae/C2004_15.1.A.2.5_GENERIC+IN.part1.rar
part2 : http://www.mediafire.com/download/kz1fy232bdn92oz/C2004_15.1.A.2.5_GENERIC+IN.part2.rar
part3 ...