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How to manually install the Lollipop OTA on your Nexus device,download links includedPublished on November 13th, 2014

Written by: Robert Nazarian

There are two methods for manually updating your Nexus device to Android 5.0Lollipop. You can flash the factory image, but if your bootloader isnt unlocked, itmeans you have to do a factory reset. The good news is that there is another methodand that is to install the actual Over-The-Air (OTA) update. Even better news.youwont lose your data!! Oh wait, theres even better news..we have all theinstructions on how to do it right after the break.

You will notice that there is a lot of information here. In fact a lot more than othersites. I remember when I first tried to do this method and found a lot of guidesonline, but every single one left out a lot of relevant info, especially for the newbies. Itried to compile every little detail in an attempt to make it as easy as possible for you.

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http://www.talkandroid.com/javascript: return falsehttp://www.talkandroid.com/guides/beginner/how-to-manage-which-folders-are-automatically-backed-up-to-googles-photos-app-cloud-storage/http://www.talkandroid.com/223247-google-posts-android-lollipop-statue-unwrapped-video/android_lollipop_statue_screenshot_from_unwrapping_video_01/http://www.talkandroid.com/guides/beginner/how-to-install-the-lollipop-factory-image-on-your-nexus-device/http://www.talkandroid.com/guides/beginner/how-to-install-the-lollipop-factory-image-on-your-nexus-device/

If you have already done this before, and only need a refresher, a lot of it is overkillfor you.

If youre running a custom recovery, you can go ahead and download theappropriate Zip file below and flash it. The below instructions are for those that arerunning stock, which is the majority of you.

The first thing you want to do is download and install the Android SDK if you haventalready. You only really need ADB so you can skip the entire Android SDKand download and install Minimal ADB and Fastboot instead, which will give you justthe necessary files.

Note: If you go the route of installing the full SDK, ADB and Fastboot will be inthe C:\program files (x86)\android\android-sdk\platform-tools folder. If you useMinimal ADB and Fastboot, you can choose the directory you want.

Now its time to download the appropriate Zip file for your device and place it in thefolder where ADB and Fastboot is. If you installed the full SDK, its in the C:\programfiles (x86)\android\android-sdk\platform-tools folder. Below are the links. Note: Youwant to make sure that your device is on the From Build Number thats listed foreach device. To see that, just open Settings > About Phone and scroll down to AboutPhone. Now scroll down to the bottom and look at the Build Number. Make sure itmatches the From listed below for the device that youre upgrading.

Nexus 4 (occam) From KTU84P to LRX21T (Coming Soon)

Nexus 5 (hammerhead) From KTU84P to LRX21O

Nexus 5 (hammerhead) From KTU84Q to LRX21O

Nexus 7 (2013) WiFi (razor) From KTU84P to LRX21P

Nexus 7 (2013) LTE (razorg) From KTU84P to Unknown (Coming Soon)

Nexus 7 (2012) WiFi (nakasi) From KTU84P to LRX21P

Nexus 7 (2012) 3G (nakasig) From KTU84P to Unknown (Coming Soon)

Nexus 9 (volantis) From LRX21L to LRX21Q

http://android.clients.google.com/packages/ota/google_hammerhead/c1a33561be84a8a6a7d5a4c8e3463c4db9352ce6.signed-hammerhead-LRX21O-from-KTU84P.c1a33561.ziphttps://developer.android.com/sdk/index.htmlhttp://android.clients.google.com/packages/ota/google_flounder_volantis/e0ce5d82beb8e696adc518bb88dc437903b0eaba.signed-volantis-LRX21Q-from-LRX21L.e0ce5d82.ziphttp://forum.xda-developers.com/showthread.php?t=2317790http://android.clients.google.com/packages/ota/google_razor/5a0f7a47588c268c239e58cf568823c6637c5af1.signed-razor-LRX21P-from-KTU84P.5a0f7a47.ziphttp://android.clients.google.com/packages/ota/google_hammerhead/67fdc56df808024ba5ebd95d4e16358c3b4f96cb.signed-hammerhead-LRX21O-from-KTU84Q.67fdc56d.ziphttp://android.clients.google.com/packages/ota/google_nakasi/4939a9ff6d10c495beaed26ac96228246f724272.signed-nakasi-LRX21P-from-KTU84P.4939a9ff.zip

Nexus 10 (mantaray) From KTU84P to LRX21P

Note: The Zip file has a rather large name so feel free to rename if it you wish so youdont have to type out the entire file name in the CMD Window. Alternatively, youcan paste it in the CMD prompt window by pressing ALT and the Space Bar, thenchoose Edit, followed by Paste.

Now you need to make sure USB debugging is enabled. If the Developer Options arentshowing in the Settings on your device, follow these steps..

1) Tap on About Phone and find the Build Number.

2) Tap on the Build Number 7 times and the Developer Options will appear on themain page of the Settings.

3) Tap on the Back key to see the Developer Options.

4) Tap on Developer Options.

5) Check to enable USB Debugging

Before you connect your device to the USB port on your desktop / laptop, you want tomake sure you have the appropriate drivers installed. You can grab them here. Sinceyoure working with a Nexus device, you specifically want the Google USB Drivers.

Now connect your device and you are ready to flash the Zip file that you downloadedearlier. Note: You might get a pop up box on your device stating what the computersRSA Key is. Just check Always allow from this computer and tap on OK

Now its time to install the OTA update that you downloaded earlier

1) Open the Command Prompt in Windows and navigate to the folder that ADB andFastboot are installed in. Again, if you installed the full SDK, its in the C:\programfiles (x86)\android\android-sdk\platform-tools folder. Just type cd\program files(x86)\android\android-sdk\platform-tools. If its somewhere else, just navigate to it. Note: To make things easier so you dont have to type out long directories, you canalso paste it by pressing ALT and the Space Bar, then choose Edit, followed by Paste.

http://developer.android.com/sdk/win-usb.htmlhttp://android.clients.google.com/packages/ota/google_mantaray/3f896c6158a5b8a2ebf8e85462a6fb9f6ebc8523.signed-mantaray-LRX21P-from-KTU84P.3f896c61.ziphttp://developer.android.com/tools/extras/oem-usb.html

2) Assuming you device is already connected to your computer via USB and USBDebugging is enabled, you need to start it in fastboot mode. Follow one of the twomethods below.

A) Type adb reboot bootloader

B) Turn your device off, then turn it back on while holding down the relevant keycombinations for your device. For many devices its Volume Up + Volume Down +Power. You can see what your devices key combinations are here.

3) The fastboot menu should appear and you should see Start in the top right. PressVolume Up till it changes to Recovery. Press the Power button to select it.

4) You will see an Android with a red exclamation point icon, press Volume Up andthe Power button at the same time.

5) You will get a new menu. Navigate to apply update from adb and select it bypressing the Power button.

6) In the CMD window (make sure you are in the right directory), type: adb sideload[the full name of the file].zip (Note: without the brackets around the file name). If yourdevice isnt recognized, see below.

7) The update will install and reach 100%.

I hope this guide helped you. Please let me know if I missed anything.

If you want to learn how to flash factory images, make sure to check out our guide onthat here.

8) Reboot and enjoy your new update!!

If your computer doesnt recognize your device, than you do not have theappropriate drivers installed. Make sure that you installed the Google USB Driversthat I mentioned earlier. If you still have an issue, follow these steps.

1) On your Windows desktop, Go to your Control Panel then Device Manager.

2) You should see Android Phone under Other Devices with a Yellow ! mark on it.

3) Right click on it and choose update driver

https://source.android.com/source/building-devices.html#booting-into-fastboot-modehttp://www.talkandroid.com/guides/beginner/how-to-install-the-lollipop-factory-image-on-your-nexus-device/http://developer.android.com/sdk/win-usb.html

4) Choose browse my computer, then Let me pick from a list.

5) Select Android ADB Interface.

6) You should hopefully now be good to go.

Tags: Android 5.0, guides, how to, Lollipop, tutorials, updates

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