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Has anyone done a CarPlay retrofit / Headunit replacement for 991.1

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Old 08-06-2024 | 04:26 AM
  #3616  
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Originally Posted by ZedZed
See that little doohickey I've circled in red? If you press and hold and then drag it, can you adjust the relative sizes of the two windows? Some versions of Android allow this, but not all. It's probably less useful on a 'tall' screen like the CHSTEK than on a wide screen like mine.
Yes it does, it 's also how you can remove one of the splits and return to full screen
Old 08-07-2024 | 09:01 AM
  #3617  
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Updated CHSTEK guide published

I've just published an update to include the CarPlay insight from @jadski and I have also added step by step instructions for changing the boot animation.

Rennlist - OneDrive (live.com)

Enjoy!
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Old 08-08-2024 | 10:44 AM
  #3618  
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Great guide, but quick question. Guide applies fully to model 7862, but Alipay offers 5 versions of 7862 (denominated A through E). Which version did you use and do you know the differences?
Old 08-08-2024 | 11:02 AM
  #3619  
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Originally Posted by browse964
Great guide, but quick question. Guide applies fully to model 7862, but Alipay offers 5 versions of 7862 (denominated A through E). Which version did you use and do you know the differences?
The 7862 unit is the one preferred by the members here since it offers the best functionality for the price, and it is the one that you will receive most support for if you have any questions. Additionally, the more RAM and the more Storage you have, the better. We recommend choosing at least 128 GB of storage and 8 GB RAM, with an octacore processor, since this offers excellent performance in almost all use scenarios, plus a degree of future-proofing for software updates etc that may require more grunt, and apps that may become bigger over time. The current 'most favoured' model is the unit from CHSTEK since this has a physical volume control plus buttons that fit well with the Porsche OEM look. This unit also has a good quality and large screen. The Erisin unit is also a good choice.

Members choosing the CHSTEK or Erisin units also benefit from the combined experience contained in the Guide, plus hands-on experience from users who have installed the units and suiccessfully configured them.
Old 08-08-2024 | 11:52 AM
  #3620  
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Take a look at the bottom of page 8 - the 7862 D or E are the recommended units.

Best spec and best community support
Old 08-08-2024 | 12:00 PM
  #3621  
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Andy2111 or ZedZed, I've installed 3 NM Automotive units to get CarPlay functionality in Porsches with PCM 3 series head units. All are satisfactory, albeit with occasional connection issues. These are Apple CarPlay oriented, and work with the OEM head unit, installing boxes behind the dash to do their job. They also accept rear camera feeds using a native reverse gear trigger, which is nice. I've just purchased another 2016 Porsche with the OEM head unit and am curious about a CHSTEK head unit instead of the NM Automotive plug and play boxes. Which CHSTEK model is for CarPlay and has the most memory/chip speed? Do you have a guide for the CarPlay units?

Many thanks.

https://rennlist.com/forums/members/297606-zedzed.html
https://rennlist.com/forums/members/...-andy2111.html
Old 08-08-2024 | 12:03 PM
  #3622  
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Originally Posted by Scott O'Connor
Andy2111 or ZedZed, I've installed 3 NM Automotive units to get CarPlay functionality in Porsches with PCM 3 series head units. All are satisfactory, albeit with occasional connection issues. These are Apple CarPlay oriented, and work with the OEM head unit, installing boxes behind the dash to do their job. They also accept rear camera feeds using a native reverse gear trigger, which is nice. I've just purchased another 2016 Porsche with the OEM head unit and am curious about a CHSTEK head unit instead of the NM Automotive plug and play boxes. Which CHSTEK model is for CarPlay and has the most memory/chip speed? Do you have a guide for the CarPlay units?

Many thanks.

https://rennlist.com/forums/members/297606-zedzed.html
https://rennlist.com/forums/members/...-andy2111.html
Hi Scott. Check out the Guide linked in Andy's signature. Also see the answer just posted above.
Old 08-08-2024 | 12:03 PM
  #3623  
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https://onedrive.live.com/?authkey=%...A35CBB53B23596

Link to Guide.
Old 08-08-2024 | 12:06 PM
  #3624  
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ZedZed, The Guide.01 title description says it is for Android Auto. Does it also contain Carplay functionality and instructions?
Old 08-08-2024 | 12:08 PM
  #3625  
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Originally Posted by Scott O'Connor
ZedZed, The Guide.01 title description says it is for Android Auto. Does it also contain Carplay functionality and instructions?
Yes. The Guide title refers to the Android Head Unit. These units run Android software, but CarPlay runs on them, as does Android Auto.

Last edited by ZedZed; 08-08-2024 at 12:09 PM.
Old 08-08-2024 | 01:15 PM
  #3626  
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Originally Posted by Scott O'Connor
ZedZed, The Guide.01 title description says it is for Android Auto. Does it also contain Carplay functionality and instructions?
In fact the all those extender box are running some variant of linux/android OS on them, and is doing the same thing as the Carlink app on these Android headunits to make all the CraPlay or AndroidAuto connections.
The PCM is terribly outdated, and not to mention, the sound quality is awful compare to these Android HU. My Bose system actually sounds like a Bose now.
Old 08-08-2024 | 01:32 PM
  #3627  
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Originally Posted by bmxtreme
In fact the all those extender box are running some variant of linux/android OS on them, and is doing the same thing as the Carlink app on these Android headunits to make all the CraPlay or AndroidAuto connections.
The PCM is terribly outdated, and not to mention, the sound quality is awful compare to these Android HU. My Bose system actually sounds like a Bose now.
I disagree with the statement that the factory quality is low or that the android is any better. The factory system is fiber-optic. The android runs through aux. Just not possible to sound better and the digital to analog to digital conversion.
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Old 08-08-2024 | 01:33 PM
  #3628  
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Originally Posted by Scott O'Connor
ZedZed, The Guide.01 title description says it is for Android Auto. Does it also contain Carplay functionality and instructions?
Scott, as the guys have said the Chstek 7862 most definitely does support carplay.

You will see a specific section in the guide for setting up Carplay and if you review the last 10 days of posts there is a lot of detail and pictures. I summarised the carplay setup in the update to the guide that I published yesterday.

I recommend reading through to get some background on model selection, the installation process and what you lose by removing PCM (nothing significant IMO)

If you have any questions after that then post here and we'll try to help
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Old 08-08-2024 | 01:39 PM
  #3629  
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Originally Posted by Roman ACS
I disagree with the statement that the factory quality is low or that the android is any better. The factory system is fiber-optic. The android runs through aux. Just not possible to sound better and the digital to analog to digital conversion.
AFAIK my non Bose doesn't run through aux, it processes the audio itself and outputs an analogue signal direct to the ASK amplifier through the quadlock like the PCM

Having listened to both the PCM and the Chstek IMO there is a significant improvement in sound quality with the Chstek

Not going to get into a war of words over it as all opinions are valid, but I am delighted with the improvement of the sound quality.
Old 08-08-2024 | 01:58 PM
  #3630  
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Originally Posted by Roman ACS
I disagree with the statement that the factory quality is low or that the android is any better. The factory system is fiber-optic. The android runs through aux. Just not possible to sound better and the digital to analog to digital conversion.
Sorry you disagree. I just installed this and the audio quality is night and day. It uses the same factory fiber optics connections to the Bose amp and speakers. But I agree, sound is subjective, the factory sound may sound better to some. The 991.1 PCM Bose sounds like crap compare to one of the BASE MODEL eGolf I test drove. But then the 991.1 was launched over a decade ago, so I am not suprise the system isn't as good.

Last edited by bmxtreme; 08-08-2024 at 02:01 PM.


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