Sony has updated the firmware for the Xperia E1 Dual (D2104, D2105) moving the build number to version 20.1.B.2.15. Sony’s official changelog for this update talks of improved stability to the camera and general software. The update is live across a number of regions in Europe, Middle East and Asia (see below).
The DTV version of the Xperia E1 Dual (D2114) has also been updated, moving its build number to version number 20.1.B.2.16. If you’ve updated, let us know how you are finding this latest firmware.