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How to flash kombi & headunit over the VPN
16-12-2025, 13:06 PM,
Post: #1
How to flash kombi & headunit over the VPN
I really get frustrated of this , I just able to flash other other module over VPN but can flash kombi & headunit over VPN .
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16-12-2025, 13:57 PM,
Post: #2
RE: How to flash kombi & headunit over the VPN
I don't recommend doing this. If it's a full Flash file, there will be a lot of UDS data transfer, which will make the process extremely slow and risky, potentially bricking your machine. It's best to download the Р5dZDата database for the client.if still need help,PM me please.

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16-12-2025, 14:17 PM,
Post: #3
RE: How to flash kombi & headunit over the VPN
(16-12-2025, 13:57 PM)duke99 Wrote:  I don't recommend doing this. If it's a full Flash file, there will be a lot of UDS data transfer, which will make the process extremely slow and risky, potentially bricking your machine. It's best to download the Р5dZDата database for the client.if still need help,PM me please.

Yeah I knew , but I just want to learn it how to flash kombi & headunit over VPN , i knew it need to forward the headunit's IP but don't know how to do it
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16-12-2025, 19:43 PM,
Post: #4
RE: How to flash kombi & headunit over the VPN
(16-12-2025, 14:17 PM)suckatall Wrote:  
(16-12-2025, 13:57 PM)duke99 Wrote:  I don't recommend doing this. If it's a full Flash file, there will be a lot of UDS data transfer, which will make the process extremely slow and risky, potentially bricking your machine. It's best to download the Р5dZDата database for the client.if still need help,PM me please.

Yeah I knew , but I just want to learn it how to flash kombi & headunit over VPN , i knew it need to forward the headunit's IP but don't know how to do it

uncheck parallels programming and programming mode or flash via soft ether.

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W
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18-12-2025, 11:13 AM, (This post was last modified: 18-12-2025, 14:35 PM by DENTFLEX.)
Post: #5
RE: How to flash kombi & headunit over the VPN
(16-12-2025, 19:43 PM)dasi Wrote:  uncheck parallels programming and programming mode or flash via soft ether.

In your opinion, is SoftEther VPN with Azur Server better than Radmin VPN?

(16-12-2025, 13:06 PM)suckatall Wrote:  I really get frustrated of this , I just able to flash other other module over VPN but can flash kombi & headunit over VPN .

If you were able to calculate TAL of all modules then update them all at once, or one by one, it's up to you.
There is no difference between BDC or Kombi or any other ECU. HU has most heavy update files and it can take an hour +- to flash all of them to HU. The most important is to flash BTLD, all others are not risky.
To be sure that the HU is updated safely, it is better to update it from the client's laptop by sending him the necessary files from your full data using Tool - Soft import extract , or similar.

All you need is a solid power supply connected to the car and stable Wi-Fi. I have remote customers with a personal hotspot from their smartphones, it also works, but slowly.
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18-12-2025, 12:19 PM,
Post: #6
RE: How to flash kombi & headunit over the VPN
The fast transfer are over HTTP...ё5у5 run a HTTP Server in the background and the headunit must be able to connect to these http server. You must forwarding the http port on the ё5у5 machine. the headunit must use the vpn ip to reach the server and the machine must nat the vpn ip to localhost smile
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