Lenovo announced that it would begin to roll-out the Android 4.0 update sometime in May and have been true to their word as the update has started rolling out in few regions in the UK and WE. The update here should be arriving now OTA so head over to Settings and check for new Software Updates. The US certification will be arriving by June 8th with the rest of the world receiving the update a month later. Members on the Lenovo Forum are reporting that the update solves a number of issues including functioning GPS, faster speeds on the tablet, and compatibility with Chrome Beta Browser for Android.
Source The Verge