Issue: Upgrade to factory image 4.1.2 with Root Toolkit

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May 20, 2012
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I would like to move to factory image (JZO54K) for my Samsung Galaxy Nexus S phone (i9020a) and to factory settings.

Currently I am on 4.1.1 Build JRO03C. When I try to upgrade via Root Toolkit I get the following message on the screen <see image>.

Any recommendations?

cannot-update-to-android-4-1-2.jpg
 
Last edited:
Do you have a GSM Nexus or a Nexus S? You posted in the Nexus forum. You might get more help in the Nexus S forum. :) You also should add more info like what carrier etc. Good luck!

What?! ...I'm msndrstood.
via Gnex
 
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The Nexus S forum does not seem to exist @androidcentral, or am I missing something?
 
Last edited:
Thank! Actually I am more comfortable using the Root Toolkit. They suppose to pick the right upgrade for you. I'll try the manual upgrade (with Root Toolkit).
 
Android central forums/Samsung android phones/Samsung galaxy S forums.

Sent from my Galaxy Nexus using Android Central Forums
 

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