If I'm using LineageOS can Google still track me?

If im using Lineage OS instead of android with no google apps or apps from the app store, can google still track me?

And if so, how?
Thank. You!

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If im using Lineage OS instead of android with no google apps or apps from the app store, can google still track me?

Yes, since there could be still network traffic to Google servers (e.g. NTP time server, connectivity check, DNS server). We showed this in our article about /e/, a ROM that is based in LineageOS and promises being Google-free: https://infosec-handbook.eu/blog/e-foundation-first-look/#sap

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Ok, so ilis there anything that can be done to prevent it?

The best way to detect unwanted connections is to monitor the complete network traffic of a device. This allows you to spot traffic to Google servers, for example. Based on this information, you could try to identify the source of this traffic.

Another possibility is to check all settings of the device (even settings that only can be accessed via adb). However, there is no guarantee that you actually disable everything from Google this way.

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with netguard you can prevent a lot of traffic from apps and system apps at least

Net guard kind of forces me to turn off my VPN.
And besides im not planing on using any google services. My problem is more in the area off this server connection and traffic stuff

NetGuard may not block/show the complete network traffic. For example, you can’t use it to block its own traffic and there may be DNS queries that aren’t shown.

The best way to learn about unwanted network traffic is to use another device that monitors the whole network traffic independently.

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Device like what?

Any device allowing you to inspect traffic. Examples are routers, switches or even a Raspberry Pi.

I’ve read that article a while ago, it’s just the best, I’ve seen about android system testing recently! :muscle:
Do you know, if there is any similar available about lineageos?
Or would you consider doing the same with lineage? :yum:

What about pushing a nice big fat hosts file to LineageOS, including google.com? Is that even possible?

Gael says he uses WhatsApp:

It would be great to see compared: e phone traffic without versus with WhatsApp.

Any device allowing you to inspect traffic. Examples are routers, switches or even a Raspberry Pi.

Do you monitor cellular traffic or only WiFi, for your articles? Couldn’t cellular send different data?

would you consider doing the same with lineage?

I second this suggestion. With versus without microg, or with different microg settings would be awesome too.

Both /e/ tests were WiFi only, cellular traffic was disabled/not available due to no SIM card in the device.

We have only one spare device for testing, and there is no LOS available for it anymore. Besides, such tests are always snapshots in time. The next update of e/LOS/[enter-your-ROM-here] can change all testing results completely.

We have only one spare device for testing, and there is no LOS available for it anymore. Besides, such tests are always snapshots in time. The next update of e/LOS/[enter-your-ROM-here] can change all testing results completely.

Unfortunate, and yes, that is why a series of reviews can be interesting, to see progress, or changes, if any.