2017 Ford Focus Sync3 2.2 Interrogator issue

Ford SYNC 3 Support CyanLabs Update Support
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1

So i wanted to install 3.4, but i wanted to check everything before doing so. I tried to use Interrogator Utility and it won’t complete. The message “Updating system software…” is on the screen for hours. I tested 2 usbs, one being some random old one, and the other being Kingston 3.0 64gb. Even after removing the USB, the message stays there. Only when i turn the sync off and on, it dissappears. The same happens with WiFi installation. It keeps searching for an update forever, even after turning the WiFi off. I tried master reset, it didn’t help. There is only one file on my USB after the test.

interlog 20260331190101

Inside, it says this:

InterrogatorLog() +
CopyInterrogatorLog +

I’ve never done this before and only recently did i get this car, so it’s possible that i did something wrong, but still, the whole thing seems really weird. I don’t feel confident updating my system when i can’t even get system information.

SYNC Region: EU

Navigation Variant: Nav

Manufacturer Year: Pre MY20

Install Type: OEM

Old SYNC Version: 2.2.16223

New SYNC Version: 3.4.23188

Do you have a error message, if so what is it?
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Update Method: CyanLabs Syn3 Updater

Syn3 Updater Version: 2.14.2.0

Syn3 Updater Documentation Read: yes

Syn3 Updater Log File

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2

Will the unit update to the current 3.0 build supplied by Ford for your VIN?

4

Truthfully, i haven’t even tried, considering i can’t even get the interrogator tool to work. I’ve heard that even the official update can brick your system… i am kinda scared

5

Cyanlabs uses the Ford files off the Ford servers. There is no differance.

6

Ah, thank you for letting me know, maybe it’s better to keep 2.2 and not risk it

7

I’d try doing an incremental to 2.2.17011

Make sure NOTHING else is plugged into a USB port but the flash drive.

8

I will try to if i get enough confidence to do so haha, thank you

9

Use the -AC interrogator file…the newer files have issues with the older Sync versions.