Got an answer from the developers of the Coronalert App (two months after asking!). The App has to be downloaded from the Play services of the right country, so it cannot be done anonymously in the Aurora store. This means you need a G00gl account for it and partially making an /e/ phone a G00gl phone again.
https://www.coronawarn.app/en/faq/#cause_3
And the phone cannot be rooted. A lot of reasons not to use the App. The same thing happened with Payconic and ItsMe, so I do not have any use for a smartphone anymore. I’ll use /e/ on a tablet without SIM.
If you are talking about the German Corona Warn app, it is now even available in f-droid, and includes the required libraries, i.e. not even a current microG is needed.
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@pjmbraet the Corona Warn app for Germany is available in Aurora Store. I’m currently in Germany. So it can be downloaded anonymously. To be functional, it needs Google Play Services, however.
@dalas.revo I can’t find it in F-droid? Do we have different F-droid stores or what?
Edit: I found it. It’s a fork of the Corona Warn App, named Corona Contact tracing Germany
Sorry, yes, it is a fork, but they say it is completely compatible. It is said to be only amended by the necessary components from Android/microG to make it work even on devices without PlayServices/microG.
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It indeed seems to work without Google or MicroG.
This being said, it might even work for some other countries. The official German Corona Warn App links to the italian Immuni and Irish Covid Tracker among others. I am unsure if this holds true for the f-droid fork though. Maybe someone could try?
@dalas.revo @cedricoola
There are more and more options how to use a Corona app.
This is actually a good thing (more options -> good thing).
It may just be a little confusing.
For Germany there are currently (2020-12-08) three scenarios, which are all compatible to each other (means you’re phone will tell you if you met someone infected, even if she/he uses one of the other listed methods).
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| 1. “official”: Download the german CWA (Corona-Warn-App) from PlayStore and use it with a Google-Phone. (only available when using a German internet connection)
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| 2. “official without Google”: Download the CWA app either via AuroraStore (only available from a german internet connection) or from a third party website like APKMirror (works even if you don’t have a german internet connection). And use it on a phone with a exposure-notification enabled microG (not /e/ eOS, but for example everything downloaded from microg.org).
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| 2.1. Alternatively use Magisk to enable exposure-notification for microG on /e/ eOS. (remember: you’ll need to reinstall Magisk after each /e/ eOS update)
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| 2.2. Install the microG covid tracing framework app for /e/ eOS to enable exposure-notification.
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| 3. “CCTG”: Use the CCTG (Corona Contact Tracing Germany) fork of the official German CWA app from F-Droid.
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…as soon? What about the latest release " IMG-e-0.13-q-2020120789006-dev-FP3". The release number 13 looks promising.
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On updating to the latest ROM today, for FP3 I downloaded the system-app for the corona app. On trying to enable Protect.scot I get the following screenshot. Any ideas how to sort it?
Latest P rom and 2.14 microg
The Corona Contact Tracing Germany from F-Droid doesn’t need root access. I’ve been using it for about a week without root and without problems.
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You’re right.
I didn’t see that before.
(but I also successfully tested it just before a second - indeed, exposure notification works now with /e/ eOS)
You’re right too.
I just found that out too.
But I’m actually wondering how CCTG achieves that.
Does anyone know the answer?
I’ll change my original post regarding both facts.
Contact Tracing works by sending and receiving ids over Bluetooth LE. Any app can do it that has the permission “Location”.
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Weird.
Payconiq is working on my FP3 (e/OS/-0.12-q-2020111084008), but you have to disable Android debugging in Developer Options, else it won’t.
I don’t us ItsMe because I don’t like the idea behind it.
Hi,
it doesn’t work here 
I’ve got a fairphone 3 with
/e/, Update datet 8th Dec 2020 (german)
and MicroG 0.12.14
I than downloaded Corona-Warn-App from /e/ AppStore. That didn’t work. The error Message translates like: “The service ‘COVID-19 notifications’ is not installed”
Today the f-droid Store doesn’t show “Corona-Warn App” …
Anyone out there who could provide a link to a “how to” (for dummies)
Thanks a million!
f-droid (vers. 1.10) doesn’t show corona tracing app on my phone. Strange.
I looked it up in the e–App Store an there ist was. Nice.
a couple of minutes and the tracing ist acitve. I guess, I need to get used to charging the phone every night, but that’s ok.
Thanks folks.
The Corona Contact Tracing Germany App from F-Droid is running on my FP3 with /e/ and internal exposure notification component (not Google Play or MicroG) for 5 days now. The battery usage is that low, that it does not even show in the battery usage overview. App info says “0% use since last full charge” at being active in background for about 17 hours.
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Hallo Everybody,
Only to share that after the last system updation + download MicroG exposure frame app, the Italian Corona app is working regularly on FP3+…thanks everybody it made it possible…really appreciated in this difficult period
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thank you very much!
Weird indeed. For me (also FP3, recently switched to /e/), Itsme (downloaded via Aurora Store) is working but not Payconiq. For Payconiq, I get the following error message:
“A security error occurred. Please ensure that USB debugging is switched off under the developer settings. Make sure your device is not rooted and that a custom ROM is not installed.”
Elswhere I’ve found this, but seems kind of complicated: [HOWTO] Installing Banking Apps - #3 by Githyanki
Well, to be honest Payconiq only worked for about 3 or 4 month or so …
When e/OS/-0.16-q came along the same error message as you see appeared. I contacted Payconiq support for this (at that time my FP3 wasn’t rooted, but it is now) and they tried to give some support, but in the end they stopped when they figured out I was not using the google store to download the app. 
I just don’t know whether the e/OS/ update or a Payconiq update broke the app on my FP3
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