CREDIT TO: [Brunswick 7S, JSellY678 (For Making a Great tutorial on how to unban your console and making a great layout for a tutorial), Compg318[/color] (For actually showing and providing me with steps on how to actually do this process).

Reflashing Your Jtagged Console-
Recently I've seen many people who flash a bad keyvault and their controllers can no longer sync to their JTAG. This tutorial will show you how to unban your console using Xellous or just simply fix the controller not syncing problem. This has happened to myself. However, it takes less than 10 minutes to overcome this problem. If you guys have any problems or questions, feel free to message me. This tutorial should be easy to follow and read, enjoy!

Requirements:
Physical Items:
-Your JTAGGED Console
-Xellous installed on your JTAG
-Flash Drive (Any Size)

Files:
-A flashdmp.bin from Flash360 (You Need This!)
-A banned or unbanned good kv_dec.bin (Not one that will make your controllers not sync)

Programs:
-360 Flash Tools - [ Register or Signin to view external links. ]

IF YOU KNOW HOW TO OR HAVE MADE A GOOD updflash.bin IMAGE THAN SKIP TO PART 2.

PART 1: (Creating A Good updflash.bin image if you have not already):


PART 2: (Flashing your updflash.bin to your console through Xellous):
1. Place your updflash.bin onto the ROOT of your flash drive.
2. Put the flash drive in your JTAG while the console is turned off (This can be in the front or back it does not matter)
3. Unplug everything from your JTAG.
4. Power up Xellous by turning the JTAG on with the eject button.
5. Allow Xellous to detect the image on your flash drive.
6. Wait until Xellous tells you, the flash is complete and to Power Cycle your console.
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7. Power Cycle your console. (Turn your console off and unplug everything from it, even unplug the Power Brick from the wall)
8. Count to 10 in your head while everything is unplugged.
9. Plug everything back in and turn your console on.
10. Enjoy syncing/connecting controllers again or your unbanned console!

I hope this helps you guys!

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Credit to s7 where i got this from