Please note that it is no longer necessary to go through the process of flashing the DG834GT to obtain the connection username and password.
If you have one of the new Netgear V2 DG934G or Sagem F@ST 2504 Routers or the old Netgear DG834GT routers, try this thread:
Getting your V1 and V2 router passwords - the safe way
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Before reading this thread Please read this first.
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GUIDE TO FLASH NETGEAR DG834GT FROM SKY TO NETGEAR FIRMWARE
Sky User - The unofficial support forum for everything Sky! Flashing your router firmware
I AM NOT RESPONSIBLE IF ANYTHING GOES WRONG, DONT BLAME ME IF YOUR ROUTER DOESNT WORK. ITS STILL A RISKY METHOD
Firstly your going to need the flash files.Download from link below.
Netgear
Once you have the files, you will need to unrar it using a program such as WinRar.
Extract the files to somewhere like your desktop for easy access.
1. Take the power cable out of the router. For the flashing process only the power cable and the network cable is needed.
You cant flash over a wireless connection
2. Use a pen or similar item and press the button on the rear of the router, where the ports are, at the same time insert the power cable
then let go of the reset button, the two lights on the front of the router should be flashing in an alternate pattern,
if it isnt, try doing it again, dont hold on to the reset button for too long.
3. Once you have it into the correct state, open the "netgear fw" folder and run RmDrv.exe.
4. In the same folder run UpgradeWizard.exe.
5. The program will open, click on next.
6. Select the correct network adapter from the list given and click on next.
7. The device list will show up, it should show the routers mac address. Click next.
8. Verify the details and click next.
9. This is the upgrade screen. click upgrade to start the process.
10. It will now be upgrading. let it continue.
11. Success! Close the program now.
12. At this point you may not be able to access the router straight away. you can try going to
http://192.168.0.1/ (admin/sky) if it doesnt work, just press the reset button quickly or power
cycle the router.
13. The end result.
14. Now its a good idea to goto backup settings and
Save a Copy of Current Settings , click backup and save the file in a safe place.
you can now open this file with a program like wordpad and scroll to the password part. keep that bit safe.
SKYUSER.CO.UK DISCLAIMER - Although this is great news, we would like to make it crystal clear, we do not recommend that you do this. If you do and damage your router, we cannot accept any responsibility. The information in this post is for information / research only - NewsreadeR 
