T-Mobile Nexus S gets an update to Android 2.3.6

T-Mobile Nexus S Android 2.3.6 Update: Now for Samsung’s Nexus S, an Update has been arrived. A software update is now available for the Nexus S which brings with a host of “bug fixes and security patches.”The the Nexus S is now in the throes of a 17.5-megabyte download that brings Android 2.3.6 (build GRK39C) along with “bug fixes and security patches. Now Latest Nexus S Updated software is specifically hoping to address some of the handset’s tethering issues which have plagued NexusS users for some time. Along with tethering fixes the update will include a patch that changes some of the NFC functions within the handset. It looks like this update indeed fixes some of the tethering issues we’d been seeing, which is nice. And if you crack open the zip file you’ll see patches to just about everything — with the biggest changes to the NFC function.

Nexus S

Nexus S Update

Procedure Given By AndroidCentral

• Grab the OTA package
• Rename it to update.zip.  This isn’t needed for the Nexus S bootloader, but it makes things easy.
• Copy it over to the internal storage on your Nexus S.
• Power off, then hold volume up and power to reboot to the bootloader.
• Using the volume key to navigate, select recovery, then use the power button to confirm
• When you see the warning triangle and arrow, hold the power button and tap volume up.  You’ll see a menu.
• From the menu, select “apply update from /sdcard”, and choose update.zip from the list.
• Let it do its thing and update your system, radio, and other partitions.  When finished, choose “reboot sys

Hackery bonus round — I had to jump back to stock and apply the OTA manually, here’s how I did it quickly at 2:00 AM:

• Download the stock GRJ22 build direct from Google.
• This file contains the full stock ROM, including recovery and radio.  Copy it to the root of your USB storage.
• Flash it from Clockwork Recovery or stock recovery
• Wipe data and reboot system
• Grab the GRK39F file from the steps above, and flash it with stock recovery. This should have installed when you flashed GRJ22 above.  If it didn’t, reboot again.
• You’re now back to stock and current.

Source AndridCentral