5. Fill in `https://fdroid.fluffychat.im` into the top field and `8E2637AEF6697CC6DD486AF044A6EE45B1A742AE3EF56566E748CDE8BC65C1FB` in the bottom field.
First check if you have f-droid installed. If not you can get it from: [https://f-droid.org/](https://f-droid.org/).
After you made sure you installed it and you didn't have it installed before you can try again the QR-Code.
If this still isn't working follow the next steps:
1. Open the f-droid App
2. Go to the `Settings` Tab in the Bottom bar
3. Click the `Repositories` Action
4. Click on the plus sign at the top.
5. Fill in `https://nightly.fdroid.fluffychat.im` into the top field and `21A469657300576478B623DF99D8EB889A80BCD939ACA60A4074741BEAEC397D` in the bottom field.
## What is the fingerprint?
The fingerprint of the Repository is: `21A469657300576478B623DF99D8EB889A80BCD939ACA60A4074741BEAEC397D`