TCL 2022 Google TVs (P635/P735/C635/C735/C835/C935)

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Alepisci

Member
Jan 16, 2023
25
4
Quick question, i have a c835 and i was on v474, then TCL auto (forced) update to v503 and now i don't have the game mode and game bar.
Is it possible to install the GameBar apk (from Mega repo) or i can only downgrade the firmware to have this options back ?
Good morning. I've had the same FW (v503) for a while now and the gamebar works fine. This statement is a bit silly, but you know that it is only available when connected to a console, right?
 
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tonarii

Member
Apr 20, 2019
31
3
Good morning. I've had the same FW (v503) for a while now and the gamebar works fine. This statement is a bit silly, but you know that it is only available when connected to a console, right?
Indeed my bad, i was almost certain that the game mode options were still available in the menu even without the PC (or console) connected (not possible to activate the mode but you could still have access to the menu).
My home UI changed after a reboot while my last firmware update was a while ago, that's what disturbed me i think (maybe there was an UI update in the background from google play store).
 
Good question. But why do you say "from now on"? Is there this possibility with the FW V503? Another question: Does anyone know where to find the TV manual? And just to make it clear, I have been 1 month with the C835 and very happy with the choice. Excellent television that meets me in all requirements. I use it with a Yamaha RX V681 receiver and everything works very well with CEC activated on both devices.
Hello @Alepisci, I also have a c835, but I am using it with a Yamaha soundbar via optical cable (S/PDIF).
Unluckily, it is not possible to complete deactivate the ONKIO TV speakers, which also uses audio-channel (making real multichannel audio impossible).
Could you confirm that using one of the latest Yamaha AV through eARC the TV speakers go off?
If not I might consider giving up on TCL (although it looks great).

Thanks a lot.
 

Alepisci

Member
Jan 16, 2023
25
4
Hello @Alepisci, I also have a c835, but I am using it with a Yamaha soundbar via optical cable (S/PDIF).
Unluckily, it is not possible to complete deactivate the ONKIO TV speakers, which also uses audio-channel (making real multichannel audio impossible).
Could you confirm that using one of the latest Yamaha AV through eARC the TV speakers go off?
If not I might consider giving up on TCL (although it looks great).

Thanks a lot.
Good morning, @salvocos . Surely the TV turns off the internal speakers when connecting to my yamaha via EARc. I even use the TV remote control to lower and/or raise the receiver's audio. I just had to get used to using it. To lower or increase 0.5 by 0.5 on the receiver, you have to click. Holding for more than 1s, the volume goes up.
 
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johnlasx

Member
Sep 20, 2008
26
5
Athens
Hello everyone.
I bought a 55c835 and i updated the firmware to version 503. I have connected the tv with my pc via the hdmi 1 port ( with an hdmi 2.1 cable ).
At 144 hz the tv can't go to 10 bit colour it stays at 8 bit, at 120 hz works with 10 bit colour . Is this normal or is it a firmware problem?
 

tonarii

Member
Apr 20, 2019
31
3
Ok you should be fine indeed.
I'm not sure i can try because my 5700Xt only supports hdmi 2.0 and i think i'll have bandwidth limitation.
 

johnlasx

Member
Sep 20, 2008
26
5
Athens
Ok you should be fine indeed.
I'm not sure i can try because my 5700Xt only supports hdmi 2.0 and i think i'll have bandwidth limitation.
Yes, it's strange. When you disable vrr at the tv menu you can have 10 bit color with HDR at 4K 120 Hz and the option to use local dimming. Maybe it's firmware related. I tried to downgrade to v474 but with no success.
 

stasiof

Senior Member
Oct 9, 2013
3,109
1,247
Some default apps from latest firmware....

- Gamebar 2.00.20
- MediaCenter 6.00.89
- Quick Panel 3.1.10
 

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  • Gamebar [2.00.20].apk
    17.7 MB · Views: 158
  • MediaCenter 6.00.89.apk
    17.9 MB · Views: 110
  • Quick Panel 3.1.10.apk
    6 MB · Views: 135
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Hello @stasiof I have a 55c835 (bought in Japan, V8-R51MT07) and have upgraded from V007 to V038.
I use the TV connected to my PC and it was working before updating.
What happens now is that whenever I restart my PC, the video (from the PC) appears but the audio does not play.
If I use the remote and change to whichever input source (e.g. media player) and go back to the PC than the sound from the PC would play.
Do you suggest to downgrade? If so, could you provide the link to the Firmware?

Thanks a lot.
 
Last edited:

stasiof

Senior Member
Oct 9, 2013
3,109
1,247
Hello @stasiof I have a 55c835 (bought in Japan, V8-R51MT07) and have upgraded from V007 to V038.
I use the TV connected to my PC and it was working before updating.
What happens now is that whenever I restart my PC, the video (from the PC) appears but the audio does not play.
If I use the remote and change to whichever input source (e.g. media player) and go back to the PC than the sound from the PC would play.
Do you suggest to downgrade? If so, could you provide the link to the Firmware?

Thanks a lot.
Answered in telegram....
 
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  • 3
    You can install either version, no problem.
    2
    How do I go back to previous version?
    Install older IMG file first then OTA you like.
    1
    So what if for models from 2023. It does not matter
    I will try it
    1
    Try to disable Energy Optimization for streaming apps...
    Hi, I always have power optimization disabled. That doesn't seem to be the problem.
    1
    Good morning guys. This latest update fixed a small issue I had with CEC. Television and Yamaha receiver turned on. When I turned on the TV, it automatically turned on the receiver, but it went into mute mode and with the sound on the TV. To get back to the receiver, I had to turn it off and then on. The FW V562 solved this problem: I turn on the TV that turns on the receiver and there is perfect connection. I haven't had time to test other features yet (I updated yesterday) but the image looks better. Better blacks, brightness and the setting I made for DV. Oh! My TV is a 65 inch C835.
  • 5
    No one test the beta version..
    This is a forum for people who do exactly that. Developing and testing different firmwares and other forms of software development. If people didn't do that then you wouldn't have a forum to whinge on. Everybody is different and everybody has different things they enjoy doing, so I'd say yes there is people that care about it despite the fact that you may not.
    5
    New TCL R51MT05 Google TV Update available in V519.
    R51MT05 Platform.....deducated for S546 MX,
    can used on P635/8 & P735 & C635.........(P725 & C725).
    V8-R51MT05-LF1V519.020965

    V519 OTA

    4
    I have 50c735 europe_pl (bought and use here) first set up update firmware to v477, but that's it, no more updates to do, it says - nothing to update. I know that there are few next updates so I decided to do update by myself, but to be sure and safe, just for know I just update with v496 OTA, of course reset shop, reset all and after that full factory reset and configuration of all Google TV once again with all apps etc.. Hmm.. I don't know if this update give something new, may be some functions or naming of it, may be little smooth feeling, but rather little not many. Hmm, but what I noticed, after update the screen is more more red.. and maybe pink moreover in some movies/ apps so I have to change white balance in expert mode 2 points and red boost set to -16 and blue -2, now is very good, but.. hmm someone also noticed it?? Some said here that the Dolby Vision is repaired now, but don't know what, maybe is more smooth, maybe - ok, but still the problem about @OnyOnaki said above actually exist. I can't say that is brightness lag, its like a delay in led backlight software saying about reaction. Hmm Im good with that to be honest, it doesn't annoying me, but some in my family said that is really not cool. Hm.. in my opinion this is a dynamic hdr so..., but yeahh.. it could be faster... To avoid big jumps of brightness I set bright preset and gamma -1, everythings OFF and dynamic mapping on OFF [but to be honest this option is really good to have ON, because of details that he helps you to see in very white scene, but.. also makes more work to brightness regulators]...

    I think about v501 flash via IMG and make completly fresh instalation, but.. don't know if it make sense. I think the main problem is CPU and everything we say its about him. TCL make not good move with making money on us who don't need big-bigg screens and they implement ****ty realtek CPU inner <50 inchs. Really sad, because these TV to be honest isn't the cheapest we can buy, but maybe some updates helps us.

    Maybe someone has calibration settings for these C735 SERIES to 50 inches etc.. screens, I mean of course calibrated with sensor, not on eye, because on eye I also did that, I've got good eye hehe, but if someone has settings made by pro, it will be be nice to share with us.

    Someone test v501 on c735? I saw there isn't at v501 OTA so.. I don't know if it is safe.. and if it is worth to update.


    EDIT: UPDATE ABOUT FOR ALL OF US WHO HAVE DOLBY VISION BRIGHTNESS PROBLEM, THERE IS A WORKAROUND SOLUTION AND SOMETHING LIKE A GOOD NEWS.

    I found these instruction here on xda in other thread with beyond TVs:
    1. Activate Quick Start (EVEN if you have this option ON, just do TURN OFF AND TURN ON THIS OPTION once AGAIN)
    2. Turn off (hold power button on remote control 5 seconds and say YES/ OK to turn off question and unplug the TV and of course after 10-15 sec, plug in powercord to TV again)
    3. Turn on the TV
    4. Let it load all the GTV UI
    5. Turn off the TV with the remote control button (but not completly, just one short click - to quick start standby mode)
    6. Turn the TV back ON with the button on the remote
    7. Put the movie or series with Dolby Vision
    8. Enjoy, finally, the movie or series without brightness changes in the scenes

    And if you always use stand-by quick start turn off turn on method od remote control, these will be work. If you unplug TV or you lost power on TV powercord you will need to do that ALWAYS ONCE AGAIN AND AGAIN [DON'T SKIP ANY STEP, JUST DO THAT ALWAYS THE SAME WAY]. Don't test it how it will be working after few days and making a mess with apps etc.

    And these is that good news - its only firmware problem, not a hardware, but the question is if the TCL knows about that and has a will to repair that in next updates. Some say here that the V501 repair that. Don't know, im on v496 now after manual OTA update with V477 stock firmware, but on these two version, it was the same problem. Maybe I will try to V501 IMG full firmware flash with reset all and reset shop before, and factory reset after flash this IMG and I will also report if that helps or not, but to be honest I think TCL don't know how to repair that. I know one TV from my country which is on the market warranty Service and 7 days after still we don't know what will be done in this case. I also forward these news and instruction how to workaround these problem and maybe service will contact with TCL SUPPORT and MAYBE THEY forward this information on the next steps, but to be honest in these budget - the only we can do now is to have hope that they will still work on these platform, it's 2022y model so maybe... Don't know, will see.
    4
    New TCL R51MT05 Google TV Update available in V508.
    R51MT05 Platform P638 & P735 & C635.........(P725 & C725).
    V8-R51MT05-LF1V508.020773

    V508 OTA

    LINK

    build date= Oct 19 2022
    build.date.utc= 1666183594
    security_patch=2022-06-05
    gmsversion= Android_11_GTVs
    build.fingerprint= TCL/G03_4K_GB/BeyondTV4:11/RP1A.200622.001/AR05:user/release-keys
    revision= 020773
    OTA size= 1.6GB
    4
    New TCL T615T03 Google TV Update available in V474.
    MT9615 Platform ....C735 & C835/C935.......(C728 & C825)
    V8-T615T03-LF1V474.000418

    V474 OTA

    LINK

    build date= Nov 23 2022
    build= 1669174746
    security_patch= 2022-06-05
    gmsversion= Android_11_GTV
    product.build.fingerprint= TCL/G05_4K_GB/G05:11/AR2101/AR19:user/release-keys
    revision= 000418
    OTA size= 1.734 GB