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# Install LineageOS on Fairphone
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## 1. Check your prerequisites on your computer
[ ] adb and fastboot are installed?
[ ] you have downloaded bootimage (img) and LineageOS (zip)?
[ ] you have the unlock code (in case of Fairphone 3)?
## 2. Unlock your fairphone
1. Navigate to "Settings - About phone"
1. Press 7 times “Build number” to enable Developer mode
1. Navigate to "Settings - System – –
1. Enable OEM unlocking with unlock your code
1. Navigate to "Settings - System – –
1. Enable USB Debugging
## 3. Connect via usb
1. Connect your computer & fairphone via usb
1. On your fairphone allow the usb connection
1. Type `adb devices` on your computer. The result should show sth like
```
List of devices attached
A209VYM20201 device
```
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## 4. Install LinegaeOS recovery image
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1. Reboot your fairphone to bootloader mode: Type `adb reboot bootloader` on your computer.
1. Fairphone should show the bootloader screen.
1. Type `fastboot devices` on your computer. The result should show sth like
```
A209VYM20201 fastboot
```
1. Type on your computer `fastboot oem unlock` .
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1. Install fastboot image by typing `fastboot flash boot <image_filename.img>` on your computer (< image_filename.img > is the img-file you have downloaded in 1.).
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1. Type on your computer `fastboot oem lock` .
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## 5. Install LineageOS
1. Reboot your fairphone again to bootloader mode: Type `adb reboot bootloader` on your computer.
1. Your fairphone now boots to the new LineageOS recovery image.
1. Choose Factory Reset - Format Data/Factory Reset
1. Return to main menu
1. Apply update - Apply from ADB
1. Type `adb sideload <lineagos.zip>` on your computer (< lineagos.zip > is the zip-file you have downloaded in 1.).
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### 5.1 Optional installation of Google Apps
If you can't abstain from the Google Apps or the Google Play Store there exist packages with various scopes, you will find a package comparison here: https://github.com/opengapps/opengapps/wiki/Package-Comparison
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1. Download the favored version from [here ](https://opengapps.org/ ).
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1. Install the gapps the same way, you installed LineageOs: `adb sideload <gapps.zip>`
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## 6. Start LineageOS
1. Return to main menu
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1. Choose apply update, then your phone should start with the new LineageOS.
1. Walk through the initial LineageOS setup.
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## 7. Download the F-Droid App-Store
1. Use the browser on your Fairphone to download F-Droid: https://www.f-droid.org/
1. Visit the download-folder and install F-Droid (accept the warning).
1. Now you can install Apps like DeltaChat, NextCloud, Fennec, Tusky (...) through the F-Droid Store.
1. Open Fennec and install privacy badger as add-on.
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## 8. Remove Google-dependencies
1. enter new DNS: dns2.digitalcourage.de (Settings - Network and Internet - Advanced - Private DNS).
1. Check Privacy Settings and GPS (especially browser-settings from Fennec).
1. Switch off Print Service (Settings - Connected devices - Connection preferences - Printing).
1. Replace Google captive portal check with [Kuketz ](https://www.kuketz-blog.de/android-captive-portal-check-204-http-antwort-von-captiveportal-kuketz-de/ ). Therefore, connect your Fairphone with your computer and execute following adb commands:
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- adb shell 'settings put global captive_portal_http_url "http://captiveportal.kuketz.de"'
- adb shell 'settings put global captive_portal_https_url "https://captiveportal.kuketz.de"'
- adb shell 'settings put global captive_portal_fallback_url "http://captiveportal.kuketz.de"'
- adb shell 'settings put global captive_portal_other_fallback_urls "http://captiveportal.kuketz.de"'
In order to test the settings, if they were correctly adopted, you can type in:
- adb shell 'settings get global captive_portal_https_url'
