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[Q] Chinese ISC 4.0.3 tablet issues

Hello. I took a gamble and purchased a no name tablet off ebay. It said it has Android 4.0.3 OS, WiFi, FM receiver and GPS. I was going to use this device as a car pc of sorts but I need a couple things to work that I just cant get figured out. The module in my car either has to be connected with bluetooth or WiFi (ad hoc). Also the FM feature will only transmit to a radio and not receive radio stations. It just gets an error and closes the app. Also the GPS has been searching for satellites for about 2 hours now and never gets connected. Is there any way to fix the Rom or kernel to get these items working? I have also tried connecting a bluetooth dongle via USB? The device is rooted.
Model Number
SpredwinPuppis
Android Version
4.0.3
Baseband Version
0.51
Kernel Version
3.0.8+
spreadwin version 2.4.9 (s101_ss_b)
Build Number
nuclear_Puppis-eng 4.0.3 IML74K 20120525 test-keys
Any help would be greatly appreciated. Thanks!

I forgot to add these specs too:
Display
7 Inch 800 * 480 touch screen
OS
Android 4.0
Screen Type
Resistive
CPU
Allwinner A13 Processor, 1GHz frequency
GPU
Mail 400 GPU
System RAM
512MB DDR2
Internal Memory
8GB
External Memory
Support external TF card up to 32 GB (not included)
WIFI
Built-in IEEE 802.11b/g/n WiFi
GPS Navigation
Built in
FM Transmitter
Built in
Gravity Sensor
Auto Horizontal Screen
Software install
Download from market or setup from memory
Battery Pack
Lithium-ion 2100mAh
Earphone
3.5mm
USB
USB 2.0

Allwinner (A10 & A13) is a relatively new entry in chinese markets (from 2011).
Allwinner provides the standard Android and Linux sources to OEMs and are available open online.
github.com / allwinner-ics
github.com / amery / linux-allwinner
But both GPS and FM are external peripherals as far as Allwinner is concerned. Hence both the hardware and software details will have to be obtained from the OEM for your tablet.

I will try emailing the seller to get these details. Is there any way to view the chip on the motherboard to tell what it has? Or maybe find out another way in the software?

I finally got the device connected to the gps and it found my location (even though its about 100 feet off) I would still appreciate help either identifying the device or help finding a way to connect it to the device in my car.
Thanks again.

Here are some pics of the device:
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MTCD Device Identify

Hi Guys and Girls,
So I've just bought a 2010 Ford Focus and purchased a radio from the good old gumtree out of a salvage motor, mondeo I believe as it came with a mondeo labeled canbus decoder.
The radio is brilliant just a tad slow as it only has 1GB of RAM im guessing.
I've attached a few pictures of the unit and it's specs and software versions from the about page and wondered if anyone could fully identify it and point me in the direction of any custom ROMS or updates that might enhance the performance/sound of the device?
Many thanks!
Dan
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Its a px3 device. Maybe the best you could do is change the coreboard for a px5 or px30 if possible. 1gb ram is really limiting and the px3 is maybe 5 years old and not that powerful.
You can try roms for px3, but don't expect miracles.

Would it be as simple as just ordering a px5 or px30 board and it working after installing it?(I've looked this up before) also should I opt for one with android 9 installed as I don't want Bluetooth compatibility issues which I've read are with android 10 if i remember correctly?

@pythoner Could you also please point me to where I could find a suitable coreboard for my device as a lot of them on aliexpress state that some will not support the current bluetooth or WiFi device I have installed?
Many thanks!

@pythoner
I have also discovered my device has the MD725 Bluetooth module installed and would this work or could I find a PX5 coreboard and downgrade its android version to say 7 for it to work again as I don't want to lose this functionality.
Thanks

Depends what type of MD725 it is and what Android version you use.

I'm unsure as to which version it is as it's current installed in my car? Would I have to take it out and open it up to find out? Also the android version is 7. Many thanks @typos1

Yes, I know you have Android 7. No opening required - install a terminal and type : getprop bt.md725.type and press return/enter, if its type 1 it works with Android 8 and 9, if its type 2 it wont.
Its very rare to have a 1Gb RAM version of a Nougat RK3188/PX3 SoM, someone may have even installed Nougat on an old RK3188/PX3 Lollipop 1Gb RAM SoM, but the usual 2Gb RAM Nougat RK3188/PX3 SoMs are not slow (theyre not exactly really fast but theyre perfectly useable), so if you can get hold of one of them its worth considering.

Lowery91 said:
@pythoner Could you also please point me to where I could find a suitable coreboard for my device as a lot of them on aliexpress state that some will not support the current bluetooth or WiFi device I have installed?
Many thanks!
Click to expand...
Click to collapse
Aliexpress has px30 and px5 coreboards. But if you consider that, please open the unit before buying something to make sure that it fits.

Question Is this joying unit any good?

Hey all. I’m new to the world of Joying & Android headunit.
I’ve been doing a bit of research and this one caught my eyes in terms of specs & feature wise.
JOYING Plug and Play Android 10 Radio For 2012-2014 Toyota Camry with DSP WiFi | eBay
Find many great new & used options and get the best deals for JOYING Plug and Play Android 10 Radio For 2012-2014 Toyota Camry with DSP WiFi at the best online prices at eBay!
www.ebay.com.au
My car is a 2012 Toyota Aurion aka Camry V6.
For reference this is the dash of my car.
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Will this Joying fit and is it compatible with the car’s factory JBL system?
This unit is available on both eBay & the official Joying site. In case if something goes wrong & I want a refund, which one of the two should I purchase it from?

Not MTCB, requested mod moves to (Android Head-Units) forum.

Ive been using the non JBL version in my Tacoma for months, and it is great. Fast interface, steering wheel buttons all work, and easy to install with their wire harness.
I think that is joying's ebay account so you can order from either and get their warranty.

Cheers for the reply. Are there any bugs or hiccups from your experiences with the unit?
Also both wifi & Carplay works just fine?

No issues, they just updated for support for Wireless Android Auto, and it already supports wired & wireless carplay but I don't have any experience with it.

wpnz said:
No issues, they just updated for support for Wireless Android Auto, and it already supports wired & wireless carplay but I don't have any experience with it.are playing cat and mouse with th
Click to expand...
Click to collapse
wpnz said:
No issues, they just updated for support for Wireless Android Auto, and it already supports wired & wireless carplay but I don't have any experience with it.
Click to expand...
Click to collapse
FYT are playing catch up with their AA and car play support.
As soon as FYT stop updating these units will be bust for this support as non-genuine

Question Assistance - AHU connector pin identification needed

Hi People
Need help identifying, or finding supply of pins for my brand new (but faulty) Teyes CC3 8G (non-360).
I have tried raising a dispute with Teyes OFFICIAL AliExpress store. They responded with please watch this movie about steering wheel controls, Reset the unit, and offered 2c refund for supplying a faulty $600 unit?
And yes, I have been waiting many days for the 3 Teyes website WhatApp Support accounts to respond. Nothing from the two Chinese WhatsApp channels, and the Russian withdrew from the chat session without responding.
Oh, and Dan in Australia is p1ssed at me from buying from AliExpress instead of him, and has withdrawn any support. I didn't know he was a separate reseller.
There are a multitude of different pins in mainly 1.0, 1.5, 1.8, 2 .2, and 2.8mm sizes.
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Searching Amazon, AliExpress and Google I have managed to put together the following list of pin models.
Hope this might help someone. The list of what I have worked out is on my Google Drive in PDF and Excel files.
The 4 pins required for my repairs and alterations
Large Female Pin rear of Teyes CC3: 13mm long and 3mm wide as read by micrometer
Small Female Pin rear of Teyes CC3: 11mm long, 2mm wide, 3mm height
Really lost with this one.
Kia Cerato 3rd Gen YD 2016 small audio pin: 22mm long, and 0.9mm diameter as read by micrometer (Probably goes as 1mm)
I have found this ->20 Pcs Auto Female Male Crimp Pins Loose Wire Terminal 1123343-1 For Tyco Amp Connector 1376352-1 but I'm not 100% sure. Might order any.
Most pins that I can find have a retaining wing on each side instead of one on the top.
Kia Cerato 3rd Gen YD 2016 large flat pin: 23.5mm long, 2.2mm wide, and 0.75mm height
I am nearly 100% certain this is a 612-2.2A.
Any help greatly appreciated

No longer necessary. I fixed the fault myself.

Android head unit problem

Hi all
I have a Chinese head unit fitted in a hyundai i10, a direct replacement for the original radio.
Anyway, there was a system update, px5, I downloaded it over the Internet and installed it.
Now everything is huge, the screen is a bluey purple and I can't do anything with it. Seems the resolution is wrong?
I would do a factory reset , but can't see anything.
This what's on the back of it
Px5
Jpx53p0byz serial number
1.5ghz
4gb
Cpu
Android10
8× arm cortex A53 @1.5ghz
I have had it into an audio radio shop today, he says he has emailed someone in china to see if there is something they can suggest.
is there a fix or is it binned?

Does this help?
The newest fast system for Android DVD 2Din Car Mtimedia Player Newest Android Car Radio + Quad-/Eight Core 1.6GHZ CPU + DDR3 2GB/4GB Flash + 16GB /32 GB Memory + 1024*600 HD IPS Screen + Capacitive IPS Screen +DVD+ Wifi + GPS Navigation +6686 Radio Chip + TDA7851 Amplifier Chip + iPhone/Android Mobile Phone Mirror link + Bluetooth + FM/AM + RDS+ USB DVR function + DSP (opitional )+OBD 2 Funtion + Europe DAB Function + 1080P Vedio Play + Rear View Camera and so on Please Note : if choose quad core it is android9.0 PX30 RAM 2GB +ROM 16GB , if choose Eight core it is android 9.0 PX5 RAM 4GB+ROM 32G

You need to look in the about device section in the settings on your head unit and find the MCU.
I think a PX5 can also be an MTCD device? but check your MCU anyway.

I can't, everything is massive and I can't see the screen

johndobson said:
I can't, everything is massive and I can't see the screen
Click to expand...
Click to collapse
And from where did you download the update? That's also an indication for your type of unit.
And what is the resolution of your unit and for which resolution was your upgrade?

It popped up on the unit itself so I installed it just as I would with my phone

johndobson said:
It popped up on the unit itself so I installed it just as I would with my phone
Click to expand...
Click to collapse
That means that it is an OTA update. That is not supported by older FYT units like your PX5.
That means that your unit is not a FYT unit but most likely a MTCD unit.
Not much expertise here in the FYT forum apart from a few who switched from MTC to FYT. I will ask the moderators to move this thread to the MTCx forum. Hopefully they can help you.

Thanks

If you don't know what MCU you have, it's hard to advise. If you have an HDMI output, connect it to the monitor and find out what MCU you have. Sometimes there is a Mini HDMI on the processor board, but you have to disassemble the device or take a picture of the label on the processor board.
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