A small firmware update is on the horizon for the Xperia E4 models. The single SIM version has seen build number 24.0.A.5.22 certified by the PTCRB, which compares to current build 24.0.A.5.14. The Xperia E4 Dual has seem build number 24.0.B.5.22 certified, which compares to current build 24.0.B.5.14. Expect the firmware to contain minor bug fixes. We’ll let you know once it starts to roll.
Xperia E4 firmware build 24.0.A.5.22 certified for E2104, E2105 variants
Xperia E4 Dual firmware build 24.0.B.5.22 certified for E2114, E2124 variants