General New Joying Android 10 UIS7862 Octacore 1.8GHz (4GB RAM, 64GB flash)

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Yamarocket630

Member
May 28, 2015
38
17
Do any of the joying units with a removable screen allow the screen to be adjusted up/down/left/right?

I have a 7" unit that due to how the screen is recessed makes its hard to see the top edge of the display.

I have plany of room for a 9 or 10 inch screen, but it would need to be shifted to the right to prevent the steering wheel from blocking the left edge of the screen
 

mclellan83

Member
Dec 26, 2016
40
3
I'm having an issue being able to log into Google itself or even the play store where it let's me bring up the keyboard but goes away very quickly. So I want to factory reset it and start over, but the normal few pins don't work for it. Anyone able to tell me what it is please?
 

j-5

Senior Member
Jun 5, 2013
129
23
I'm having an issue being able to log into Google itself or even the play store where it let's me bring up the keyboard but goes away very quickly. So I want to factory reset it and start over, but the normal few pins don't work for it. Anyone able to tell me what it is please?
You can factory reset from the settings menu.
I had problems with my reset button also, it doesn't seem to line up with the hole, I used a mechanical pencil with the lead way out to push it in.
 

mclellan83

Member
Dec 26, 2016
40
3
You can factory reset from the settings menu.
I had problems with my reset button also, it doesn't seem to line up with the hole, I used a mechanical pencil with the lead way out to push it in.
Oh, I hadn't thought about trying that way. I meant the numbers you put in within the menus to access stuff. I had tried 126, 0000, 3368, and 8086 which worked for other menus but not the factory reset
 

surfer63

Senior Member
May 4, 2010
4,484
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I asked in the exact thread of the model number? Why would I try others with Q&A that would be for other model numbers?
Well, if you had read those other threads you would have known that all FYT units on the same CPU are identical in their software and way of working.
Also flashing from multiple resellers is universal apart from 1, sometimes 2, easy modifiable flash settings. Only high-resolution screens need a few more tweaks. And T'eyes has modified their software in such a way that you have to pay for almost everything which also locks it if you flash it to Joying or Mekede/NaviFly.
And which "exact thread of the model number"? This thread is about Joying uis 7862 which consists of more than 30 model numbers. Only that should already give you some hint that there is more "exchangeability".
 

Harlley Sathler

Senior Member
Jul 23, 2011
128
12
I was updated to the latest Android Auto Beta, which introduces changes to the UI. I was surprised that these changes were not applied to my 7" Joying screen. Does anyone have any clues about why?
 

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  • 2
    2- The fonts seem to be quite small in navigation apps. I guess there is no way to change it without rooting?
    Since Android 8.1 (or so), you do not need to change DPI via root. Go to settings -> Display -> Advanced -> character size
    2
    Except there is no such setting in Joying unit
    In that case you might take a look at @mariodantas' "Android shortcut settings". Linked at the bottom in this post: https://forum.xda-developers.com/t/...unisoc-ums512-q-a-mods-tips-firmware.4396339/
    1
    With Joying UQ128N4G I am having another annoying problem. This is a unit without physical button. I have button lights on time based setting. Because otherwise they are always on as car turns on dash illumination always. Nowadays the problem is that it is too dark in the evenings to see the buttons.

    In my previous Ownice C500 unit, the button lights could dim with the dash dimmer. I guess this is not possible with these units?
    No. not possible.
    I also had problem where Google maps said the compass accuracy is low and I should rotate the unit. Obviously this is not possible. Do others have this problem?
    Please check your GPS cable, the connection to the unit and the position of the end "box". It should have a clear view on the sky. Below the dashboard is not a problem, below lots of metal you will have a bad reception.
  • 10
    EDIT: XDA didn't like me attaching the photos, just got broken links so I'm sorry that they're embedded like this.

    Joying just sent me a review unit of their new 10.1" Android 10 head unit so I figured it should have its own thread. It looks like they're pumping out updated versions of all their previous devices by the day so I imagine they'll have versions of this in all the different screen sizes soon. First impression is good. The interface is appreciably more responsive than the Intel unit I currently have in the car. I'm working on some videos but figured I'd throw some pictures in here. Here is an unboxing and interface tour video: https://youtu.be/h__Zc0fwOtw

    The PCB looks is clearly iterative but looks to have some significant redesigns, especially with the power supply which is much larger than on the previous Intel design, through that might be required for extra derived voltages for the new UIS7862 SoC.

    The previous Intel PCB used an STM32 MCU in between the main SoC and the bluetooth module which probably contributed to the difficulty interfacing Bluetooth devices that weren't specifically allowed by Joying. The area where this chip was now looks to be filled with power components though the same Bluetooth module is still used. I'm hopeful that this means there's direct communication from the SoC to the BT module, but that'll take more digging to determine. There is also a new general purpose ARM Cortex-M4 MCU added between the SoC carrier board and the DSP chip (GigaDevice GD32F330R8T6). I'm curious if that's taken the place of the old STM32 chip or if it's used for something else. Hopefully I'll be able to determine what it's used for, but I'm not touching anything until I get it installed and reviewed.

    The green PCB is the Intel board and the yellowish one is the new Android 10 board. Of note is the fact that the new PCB has Joying's name silk screened onto it where the old Intel one didn't. So, at bare minimum, this board is spun just for Joying, even if the only differences are the silk screen layers.

    Any requests for specific details?

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    4
    For those who were discussing the extension cable or mounting the screen away from the head unit:
    I did this recently with this model.
    The cable is not a standard IDE cable. I can't remember the correct description but I will try to send my mind back to the80s.

    It is a 40 pin reversed (or flipped) flat ribbon cable using standard IDC 2mm pitch connectors.
    What this means is: Pin 1 = Pin 40, Pin 3 = Pin 38 etc...

    A standard IDE connector (AFAIR) is a straight cable, meaning Pin 1 = Pin 1 and Pin 40 = Pin 40

    This type of cable is used for many other applications in electronics, so it's not like they made a proprietary cable.

    I did an unboxing of the 10.1 unit here:
    And a "remote screen" install here:

    And here is a photo of the actual cable that came with the unit to show the connectors, registration keys, and pin outs (Note the red/pink stripe)

    I hope it saves someone from blowing up their screen!


    p.s. I could be mistaken, trying to find the exact pinout for an IDE cable seems to be a bit difficult. Please feel free to correct me if wrong, but link to the source rather than just your opinion so we can all learn.

    Screenshot 2021-01-27 at 11.51.28 (1).jpg
    4
    to get ADB on UIS7862 unit, read @gottahavit reply, thanks to him

    Thank you very much! I made a video because I think the method you think is very beneficial to those who own other models.
    4
    @warata @RealZac
    hi, I did succeed enabling dark theme in google maps. you need to set your screen DPI lower (like a phone DPI instead of a tablet DPI) before opening google maps, this way you'll trigger google maps "Theme" feature in its settings. After that, you can revert back to the default tablet DPI.

    To change the screen DPI, go to developer options (enter password, I think "3368")
    Scroll down until you find "Smallest width", change it to 411 dp.
    Then open google maps, and you'll get the "Themes" feature

    [[ Memorize the default DPI to revert back later ]]

    if you want to enable "System-wide dark theme" on whole android 10. you need ADB & usb cable. I used this app "

    Automatic Dark Theme for Android 10" from playstore

    4
    I've decided to release CC3 to the public. Have fun. Manufacturer ID is set to 43. I am not responsible if you brick your unit or it explodes. I will provide 0 support. Do not PM me. Do not flash unless you know what you're doing or have a recovery update package to revert back to stock.
    https://mega.nz/file/aYhyFCjJ#BbF7piHxK1zkOxcNfYHecUEofafEPiDfoq4Ux5SsGZY