Nokia C1-01 / C1-03RM-607 / RM-608Service Manual Level 1&218 Confidential | Copyright © 2010 Nokia | All rights reserved Version 2.010. ASSEMBLY HINTS1) Tighten the TORX + size 6 screws to the torque of18 Ncm.2) Tighten the TORX + size 4 screws to the torque of15 Ncm.