Google's own smartphone line Nexus devices just received the latest Android 5.1.1 Lollipop update via factory images including Nexus 10, 6, 5, 4, 3, two versions of Nexus 9 and two versions of Nexus 7.
Through the Android Open Source Project (AOSP), Nexus devices can now flash factory images of Android 5.1.1 Lollipop for Nexus 7 (2013) Wi-Fi and Mobile, and Nexus 9 LTE and Wi-Fi aside from Nexus 10, 6, 5, 4, and 3.
While over-the-air release of Android's latest and perhaps final Lollipop update has not yet come to most devices, Nexus users are given the chance to take advantage first of what 5.1.1 Lollipop has to offer.
The new factory image has build number LMY48I. It comes with a fix on the widely known Stagefright vulnerability issue.
In the US, major mobile carrier Sprint first announced the news for their versions of Nexus 5 and Nexus 6. While other carriers here were waiting for Google's official announcement before hitting the go button.
Meanwhile, Google Developer has provided a step by step guide on how to manually update their Nexus device to the latest Android 5.1.1 Lollipop stock firmware. However, Google leaves off a few reminders for Nexus owners to consider before heading to a new world of Lollipop.
Reminders
1. Ensure the device's bootloader is unlocked via Fastboot tool.
2. Verify the device model first. Unsuitable models may be damaged.
3. Charged up battery to at least 80 percent.
4. Back up entire storage.
5. Check USB drivers.
6. Enable USB debugging mode.
7. Ensure the device is rooted with TWRP or CWM recovery.
To finally install the Android 5.1.1 Lollipop update via factory images, here's a good way to go:
1. Download the Android 5.1 Factory Image for your Nexus phone on the computer.
2. Connect device to computer using USB cable.
3. Ensure Fastboot is ready and installed.
4. Shut down device.
5. Boot it to Fastboot/Bootloader mode.
6. Press and hold the volume up, volume down ad power button together until Start icon appears.
7. Whenever necessary, unlock the device's bootloader.
8. Extract downloaded file.
9. Copy and paste the downloaded file from its save location.
10. Run the following using factory image files:
- On Windows: Run the file "flash-all.bat".
- On Mac: Run the file "flash-all.sh" using Terminal.
- On Linux: Run the file "flash-all.sh".
11. Wait for the installation process to finish.
12. Once finished, the device will automatically restart in a few minutes.
To verify the update, head over to Settings > About phone/tablet and see if the build is now LMY48I.
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