still have inb file for viberom 4.
Some missing in code web. Lenovo failed.
Link lenovo give us: http://pub.ota.lenovomm.com/VIBEROM/ST/ST1351_4/VIBEROM_V1.0_1351_4_ST_K900_8CC9.zip
Correct link : http://pub.ota.lenovomm.com/VIBEROM/ST/ST1351_4/VIBEROM_V1.0_1351_4_ST_K900.zip