Earlier in the week, we reported that Android 5.1.1 Lollipop firmware bound for Xperia Z3 and Z2 series devices got certifications and now the update is all set for official public release later this month.

Sony Japan has confirmed that Xperia Z3 Tablet Compact and Xperia Z2 Tablet will be released in late July, reported Xperia Blog.

With the announcement, the new update is expected to first hit Japan this month and then get deployed later in other regions around August first week as the roll-out process is carried out in phases.

Also read: Android 5.1.1 Lollipop Firmware Gets Certified for Sony Xperia Z3, Z2 Series; Update Rollout Imminent

Besides the two tablets, other Xperia Z3 and Z2 series devices to get update include Xperia Z2 (D6502, D6503), Xperia Z3 (D6653), Xperia Z3 Dual (D6633) and Xperia Z3 Compact (D5803, D5833).

The Android 5.1.1 Lollipop update is said to bring improvement in terms of overall stability and an improved ART (Android Run Time) making apps load faster than before. "Okay Google" glitch has also been said to be rectified.

The new update will also bring Wi-Fi toggle option in Quick Settings alongside Bluetooth. Major improvements include the fix for the memory-leak issue that was reported in Android 5.0 Lollipop causing apps to crash abruptly without any warning. It also fixes random app crashes of dialer and messaging apps as well.

List of Sony devices confirmed to get the latest Android 5.1.1 Lollipop update include Xperia Z3, Z2, Xperia Z Ultra GPE (Google Play Edition), Xperia Z, Xperia ZR, Xperia ZL, Xperia Z1, Xperia Z1s, Xperia Z Ultra, Xperia Z1 Compact, Xperia Z3 (T-Mobile), Xperia Z3v, Xperia Z3 Compact, Xperia Z3 Tablet, Xperia Tablet Z, and Xperia Z2 Tablet, T2 Ultra, Xperia C3, M2 and M2 Aqua.