Posted on May 5 2015 - 4:15pm by Anurag Kumar

Sony Mobile has officially confirmed that a new Android 5.0.2 Lollipop update in the form of 23.1.A.1.28 firmware is now rolling globally for Xperia Z3, Xperia Z3 Compact, Xperia Z3 Tablet Compact and Xperia Z2, Xperia Z2 Tablet.

23.1.A.1.28 firmware was first spotted rolling for Xperia Z2 yesterday which brought new recent app close button and Sony has officially posted a detailed changelog of 23.1.A.1.28 firmware.

Official Changelog of 23.1.A.1.28 firmware update for Xperia “Z2” & Xperia “Z3” series

Besides software improvement and enhancement, following features are included in the 23.1.A.1.28 firmware update:

  • Ensured the lock screen/notification bar doesn’t indicate “no service” when the device has coverage
  • Added a Sony feature; bringing back the “close-all-button” in the activity menu, so you can easily close all apps at once
  • Unblocked devices with server policies (such as Exchange Active Sync for e-mail), to enable the new Lollipop lock-screen notifications
  • Ensured the LED light is lit across all sound modes – and no longer offset by “silent”
  • Made the necessary fixes to enable the easy movement of content from internal memory to external microSD card (something we saw affecting a few devices)
  • Improved messaging functionality in Ultra stamina mode – some conversations could not be opened before in Ultra stamina mode

We will soon post the firmware ftfs for all device with this new update.

Xperia Z2 23.1.A.1.28 firmware update rolling now

Sony Xperia Lollipop Update

NOTE: 23.1.A.1.28 firmware update is LIVE via XperiFirm tool also, so if you want to download it from there and flash it on your Xperia device, use the below links:

How to download 23.1.A.1.28 Lollipop firmware using XperiFirm tool?

How to flash 23.1.A.1.28 Lollipop firmware ftf using Flashtool?

Have you got the new 23.1.A.1.28 firmware update on your device. Let us know, drop your comments below.

Source – Sony Mobile






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1 Comment so far. Feel free to join this conversation.

  1. Abbie Bednash May 20, 2015 at 4:30 pm - Reply

    Yes I updated firmware yesterday after a disappointed reaction to Lollipop. I used Wifi and was confident after updating various phones for years with no issues. I was devastated to learn the update had wiped my entire music library off my external SD card. And now I have a random (very loud) buzzing sound coming from the handset whenever it feels like it. Almost like an out of tune radio station. It’s horrendous and I’m just so upset with the status of my phone.

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