This thread is resolved. Here is a description of the problem and solution.
Problem: Translation are not saved while using WPML with Soho theme
Solution: Update to latest version of WPML 4.2.7 and SOho theme 2.0.4 or above.
This is the technical support forum for WPML - the multilingual WordPress plugin.
Everyone can read, but only WPML clients can post here. WPML team is replying on the forum 6 days per week, 22 hours per day.