Manually updating via Sideload

Chrypt

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May 19, 2013
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I have a the Sprint version of the Galaxy Nexus and have the error where I cannot update via OTA to 4.2.1 (currently running 4.1.1). My phone is not rooted. I have tried everything from uninstalling apps that could be blocking it to a factory reset with no success.

I am a fairly technical person and decided to try the sideload route via the SDK. I downloaded the 4.2.1. tgz file from the Google servers and uncompressed the file(s) to a zip. I put the zip file in the platform-tools folder, made sure the usb drivers were up to date and that I could actually see the device using the adb devices command.

I have my phone in the ready state to receive the package via the bootloader and when I use the command adb sideload {filename.zip} (obviously without the brackets) I get an error that says *cannot read 'sideload' *

Any ideas?