I need ROM for ALPS P2000 topic

Hello, I need original ROM or a ROM update for the tablet ALPS P2000.
Tablet PC P2000, 9" LCD, DUAL SIM

Hardware: MT6572
Build number: ALPS.JB3.MP.V1.12
Android 4.2.2
Baseband: MOLY.WR8.W1315.MD.WG.MP.V8, 2013/10/17 15:01
Kernel: 3.4.5
Board: m72_nand_p2000
ID: JDQ39

thank you