Whats new in android 6.1.a.2.45
What’s actually new in Android 5.0.2?
Google rounded-out last week by making its latest system software available for the 2012 Nexus 7. The tablet was in need of an update, having seen the Nexus 9, Nexus 10, and 2013 Nexus 7 all get their Android 5.0.1 updates while it was still on 5.0. But that’s not what it got at all, and instead we saw Google drop the tablet’s factory image for Android 5.0.2. With no formal announcement, we were left in the dark as to just what the presence of 5.0.2 meant, and how it might differ from 5.0.1. Now we’re starting to put the pieces together, as a series of AOSP commits reveal what happened between 5.0.1 and 5.0.2.
Unsurprisingly, given the tiny version number bump, there’s not a heck of a lot that’s new here. That’s not to say that the changes aren’t important, but rather than new features or anything so visible, there’s a lot of cleaning-up, bug-fix type improvements.
A couple changes deal with how Android handles internal alarms, which apps use to schedule tasks. In particular, Android is now better about waking the CPU when alarms need it to. There’s also a fix for an incomplete feature that was supposed to prevent simultaneous alarms from competing for system resources.
Another fix concerns how Android cleans up flash file system allocation. the TRIM process was supposed to run while charging overnight, but if you had your device fully turned off or charged it during the day, you were out of luck. Android 5.0.2 makes sure to do its TRIM duties next time the hardware boot-cycles if it’s gone a few days without running it.
There are some other little changes, but that’s about it for the notable ones. That’s 5.0.2 for you: a few valuable fixes, but nothing game-changing.
Update Sony Xperia S to Official Android 4.1.2 6.1.A.2.55 Jelly Bean
This tutorial will teach you how to manually update your Sony Xperia S with the latest build of Android 4.1.2 Jelly Bean firmware. Read the entire tutorial before starting to apply all the changes using SONY’s own PC companion software tool.
Android 4.1.2 6.1.A.2.55 Firmware update is an official release by SONY. and this tutorial might a little bit different than the others we’ve posted until now. This guide will work exclusively with a Xperia S device that runs on 100% stock firmware. So, you won’t be able to use this guide in order to upgrade any Xperia S model that runs a custom ROM or any other type of customization file.
This OTA Update brings the latest Sony Media service, the WALKMAN app along with Album app and Movies app. A new lock screen with tons of new functions and features. Customizable widgets, improved mobile data control consumption, the Recent Apps button for easier access to all the latest apps that you launched on your device.
Check your smartphone’s Build Number to see if the new update hasn’t already been installed on your device without you even knowing: Open Settings, then About Phone and then open the Build number / Version menu. If the model number is different from 6.1.A.2.55 then you have an older firmware.
Here’s what you need to know before starting the update:
- use this guide only with the Sony Xperia S.
- you need to have the Sony PC companion software installed on your device. Download links for those computers lacking Sony PC Companion tool: Windows Download Link here / Mac OS X Download link here .
- Make sure that there is enough power left in your phone’s battery before starting the update.
- a USB data cable.
- backup your most important data before starting the update.
- we cannot be held responsible in case you lose data or you brick the smartphone.
Now that you know all of the above, you can read the tutorial on how to install the 6.1.A.2.55 firmware update based on Android 4.1.2 Jelly Bean for the SONY Xperia S:
- Launch the PC Companion software tool on your computer.
- Use the USB cable and connect the PC to your smartphone.
- Find the Update section and then follow all the on-screen instructions to complete the update.
- Wait for the device to reboot and after that you can disconnect the Xperia S from PC.
That’s it, these were all the steps that you had to read in order to learn how to flash an official SONY Jelly Bean update for devices that are already running 100% stock firmware.
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