I cant unmute my 42 vizio plasma , i dont have

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From ATT website: UVERSE remote codes:
http://www.att.com/support_media/images/pdf/uverse/set-up-code-list.pdf

I see for VIZIO codes listed as 1429, 1433, 1439, 1489

*To Manually program the AT&T universal remote control to your
TV here are the steps

Factory Reset the AT&T Remote Control:
* Press the ATT button and the OK button at the same time for 2-3 sec. release them at the same time. The ATT button will blink twice then enter the code 922. The ATT button will blink Thrice. IF not repeat the step
* Press the ATT button then check all the function of the remote (Volume, Channel, Menu, Guide)
Note: you will see that the max volume is 25. Dont worry its the volume of the receiver
To Program Your TV:
* Press the TV button and the OK button at the same time for 2-3 sec. release them at the same time. The TV button will blink twice then enter the code. Click Here to see the manucafturers list of codes. After Entering the code TV button will blink thrice. IF not repeat the step
Note: After you program the tv make sure to press the ATT button. then now check all the function of the remote. Follow the instruction and it will work. If you press the power button the TV and ATT Recievier will turn on and off at the same time

Thanks for using Fixya.

I tried every code suggested for my Viore with Uverse and nothing worked. Finally decided to reset the remote to factory settings using code 900 as described in the instructions from ATT uverse. The remote now works on my Viore tv and all I did was reset the remote to factory settings.

Click Here for the list of Manufacturer's Code for AT&T Uverse

hi! i have here a couple of codes for VIZIO tv, just try them 1004, 1429, 1433, 1439, hope this helps!!!! goodluck!!!

uverse remote control user guide pdf shows 346 but requires a 4 digit number.

after some trial and error, 1346 worked for me.

Hi,
Maybe too late for you but ATT just gave me a code that works with my Vizio plasma. Code is 1343. Even the mute works correctly. They gave me some others to try but I didn't need them. Other codes were 1018, 0030 and 0056.

The documentation that came with my U-Verse equipment doesn't list Vizio products, but I have been using 1343 which I saw suggested on another website. AT&T's support site has a new code list (http://www.att.com/support_media/images/pdf/uverse/set-up-code-list.pdf) showing Vizio under the TV section as 1489 and in the HDTV section as 1429, 1433, or 1439.

None of the codes listed for Vizio work with my Vizio LCD(model VO370M), but the 1343 code I've been using successfully is listed in the new list as an LG HDTV code.

1343 worked for the vo32lf