Factory unlock nexus and ICS updates

**AdrianGabeChen** · 07-13-2012, 04:07 PM

I live in Canada and bought a factory unlocked Galaxy Nexus from Telus full price and am using it on mobilicity. My phone never get updates. I am still on 4.01.

**Andrew Martonik** · 07-13-2012, 04:31 PM

Originally Posted by AdrianGabeChen

I live in Canada and bought a factory unlocked Galaxy Nexus from Telus full price and am using it on mobilicity. My phone never get updates. I am still on 4.01.

This means you have a "yakju**" version, which is updated by Samsung instead of Google.

If you want updates directly and quickly from Google, you'll need to make your phone a straight "yakju" (or takju, same diff) version. Doing so will wipe your device and you'll have to start fresh. After that point, no extra steps are needed. TONS of information on this and plenty of guides showing you how.

**paul-popper** · 07-14-2012, 12:13 PM

I also bought a galaxy nexus from wind in Canada. Running ICS 4.02. No ICS updates yet. Build ICL53F.I9250UGLA4 Any ideas?

**googol** · 07-14-2012, 01:14 PM

I bought mine from Bell and now I am running the Takju (the one with Google Wallet) version of Jellybean.
I have an unlocked boot loader, unrooted device. I just flashed the factory images for 4.0.4 from . You have to use the command line to get these things done if you want to do this unrooted. Fastboot and adb are required which you can get by downloading the SDK. If anyone wants detail instructions, I can dig something up, but the forums should already have these.

Sent from my Galaxy Nexus using Android Central Forums

**paul-popper** · 07-14-2012, 03:16 PM

Originally Posted by googol

I bought mine from Bell and now I am running the Takju (the one with Google Wallet) version of Jellybean. ...

How exactly can I check if I'm running takju or yakju or "yakju**" or not? Under Settings/AboutPhone I see :
Build number: ICL53F.I9250UGLA4
Kernel version: 3.0.8-gaaa2611 android-build@apa28 #1
Baseband version: I9250UGLA4
Android version: 4.0.2
Model number: Galaxy Nexus

**Andrew Martonik** · 07-14-2012, 03:22 PM

Originally Posted by paul-popper

How exactly can I check if I'm running takju or yakju or "yakju**" or not? Under Settings/AboutPhone I see :
Build number: ICL53F.I9250UGLA4
Kernel version: 3.0.8-gaaa2611 android-build@apa28 #1
Baseband version: I9250UGLA4
Android version: 4.0.2
Model number: Galaxy Nexus

If you bought from a carrier in Canada, I can guarantee you're not yakju or takju. You can flash to either quite easily though.

**googol** · 07-14-2012, 05:00 PM

Originally Posted by paul-popper

How exactly can I check if I'm running takju or yakju or "yakju**" or not? Under Settings/AboutPhone I see :
Build number: ICL53F.I9250UGLA4
Kernel version: 3.0.8-gaaa2611 android-build@apa28 #1
Baseband version: I9250UGLA4
Android version: 4.0.2
Model number: Galaxy Nexus

You can check the model of your GNex by going to Maps--->Settings---> About. Mine now says Samsung takju.

Sent from my Galaxy Nexus using Android Central Forums

**paul-popper** · 07-15-2012, 08:03 AM

Originally Posted by googol

You can check the model of your GNex by going to Maps--->Settings---> About. Mine now says Samsung takju.

Thanks googol. My maps->settings->about shows:
device: samsung yakjuux
platform: android:samsung-maguro-Galaxy Nexus

**googol** · 07-15-2012, 11:29 AM

Originally Posted by paul-popper

Thanks googol. My maps->settings->about shows:
device: samsung yakjuux
platform: android:samsung-maguro-Galaxy Nexus

It looks like your device is not being updated directly by Google. This may mean that either the carrier or Samsung is doing the updates. Canadian carriers like their US counterparts are notorious for not updating phones. If you are up to it and don't mind typing commands in a terminal, you can convert your device to a Google stock device by flashing the correct factory images from
You can find instructions in the forums and post back if you run into problems.

Hit the Thanks button if someone's answer helped you.

**paul-popper** · 07-17-2012, 05:25 PM

Ok I updated to yakju (from yakjuux). I did this a day or to ago. Thanks for the help.

Now, I have just been offered an OTA system upgrade to 4.1! This is great, and the timing was great. So I'll click "restart & install" and see if it automatically upgrades me to this "Android 4.1. system update".

**mmnusair** · 07-17-2012, 07:11 PM

Is it the safe procedure?

Is there any apps for making complete backup of all of my apps & everything...

Sent from my Galaxy Nexus using Android Central Forums

**le_prof** · 07-17-2012, 09:15 PM

I did so myself. I am now running JB on a yakju build thanks to you guys !

Sent from my Galaxy Nexus using Android Central Forums

**paul-popper** · 07-17-2012, 09:33 PM

Originally Posted by paul-popper

Ok I updated to yakju (from yakjuux). I did this a day or to ago. Thanks for the help.

Now, I have just been offered an OTA system upgrade to 4.1! This is great, and the timing was great. So I'll click "restart & install" and see if it automatically upgrades me to this "Android 4.1. system update".

Worked fine. Now Settings/Aboutphone shows android version 4.1.1 and maps/menu/settings/about shows device samsung takju

Thanks and goodbye for now :-)

**mmnusair** · 07-18-2012, 07:33 PM

Anybody please.,..

Sent from my Galaxy Nexus using Android Central Forums

**font1975** · 07-18-2012, 08:00 PM

Originally Posted by mmnusair

Anybody please.,..

Sent from my Galaxy Nexus using Android Central Forums

The OTA update is very safe. Flashing the stock Google image, however, will wipe all data from your phone.

There are apps that will backup apps and data, such as Titanium, but they require root.

You can use adb to backup your apps, without root. Adb and fastboot are part of the Android SDK. They are command line tools. XDA has articles on how todo this

**mmnusair** · 07-19-2012, 04:57 AM

Originally Posted by font1975

The OTA update is very safe. Flashing the stock Google image, however, will wipe all data from your phone.

There are apps that will backup apps and data, such as Titanium, but they require root.

You can use adb to backup your apps, without root. Adb and fastboot are part of the Android SDK. They are command line tools. XDA has articles on how todo this

Can I rollback to stock after flash to yakju?
If yes, Provide me a link for the procedure.
Thanxx..

Sent from my Galaxy Nexus using Android Central Forums

**font1975** · 07-20-2012, 08:59 AM

Originally Posted by mmnusair

Can I rollback to stock after flash to yakju?
If yes, Provide me a link for the procedure.
Thanxx..

Sent from my Galaxy Nexus using Android Central Forums

If you put the YAKJU or TAKJU build from the Google site onto your phone, there's no need to roll back. These are stock images.

For the procedure, I don't have any links handy. I never bookmark them. Just search these forums or on Google. The Nexus phones are extremely well documented, and doesn't require any real hacking to unlock and flash.

You can dowload the SDK from Google and use the ADB/Fastboot comands or use one of the various toolkits. I'd recommend using the command line tools as you will know precisely what is being done to the phone. The hardest part in all of this is getting the usb_drivers to work on your phone.

**Andrew Martonik** · 07-21-2012, 08:07 PM

Originally Posted by font1975

If you put the YAKJU or TAKJU build from the Google site onto your phone, there's no need to roll back. These are stock images.

Precisely. You are stock when you go to takju. Completely stock factory images straight from Google.

For the procedure, I don't have any links handy. I never bookmark them. Just search these forums or on Google. The Nexus phones are extremely well documented, and doesn't require any real hacking to unlock and flash.

You can dowload the SDK from Google and use the ADB/Fastboot comands or use one of the various toolkits. I'd recommend using the command line tools as you will know precisely what is being done to the phone. The hardest part in all of this is getting the usb_drivers to work on your phone.

Don't actually need the whole SDK (kinda a hassle to download all that just to flash images), just ADB and Fastboot. I've just put up a guide that's now a sticky at the top of the forum to do this:

http://forums.androidcentral.com/goo...ash-takju.html