[e] because even well illustrated, the “web-installer” often don’t work, and because the install instructions provided by /e/ can be imbuvable for some new users and can lead to errors. Here is a safe guide to install /e/OS we will take the Fairphone 6 as example, ▶ Expand to see the guide : Wha…

→ zsh I first tried using the easy installer, but unfortunately it didn’t work. After that, only the bootloader started up. Not even Android. So I waited until a new version of /e/OS was released so that I wouldn’t have any problems with the security level. Now it has worked really well. Like so…

Installation réussie avec Windows et FP3 alors que l’installeur posait des problèmes. Merci beaucoup.

Thank you very much for this guide! The browser-based installer from e/OS/ did not work and with your guide I came a lot further. Nevertheless… I fear I bricked my new Fairphone 5, after the successful installation of e/OS/, while trying to re-lock the bootloader: ./fastboot flashing lock_critical …

Hello @TeeTeeHaa , Welcome to the Fairphone users forum. Great log report ! [image] TeeTeeHaa: what I did wrong. [image] TeeTeeHaa: the Android security patch was February 5, 2026 for the original Android when I did the unlocking according to Releases · e / os / 🚀 Releases · GitLab […

Will I have to reinstall e/OS/ and loose all my data by relocking? And good news: By simply using ./fastboot flashing unlock and ./fastboot flashing unlock_critical as recommended by this guide I was able to unlock and unbrick my device and install e/OS/ again.

[image] TeeTeeHaa: Will I have to reinstall e/OS/ ? no, just updating OTA [image] TeeTeeHaa: Will I loose all my data by relocking ? yes.

After an update to e/OS/ 3.6 which includes the Android security patch of March 2026 I was able to relock the bootloader as explained in this guide. Thank you @piero-e ! I was aware that I will loose all my data and made all necessary backups before relocking. Regarding the guide itself: Hold th…

sorry, my typo, i now corrected. according to https://support.fairphone.com/hc/en-us/articles/10492476238865-How-to-unlock-and-re-lock-the-bootloader Hold the Volume down button immediately as your Fairphone reboots to return to fastboot mode.

Hi, New here and have a Fairphone gen6. It’s updated to android 16 but I have several issues and was already planning to change to e/os. But reading the prerequisites it looks like I need android 15 for this. Does the change to e/os with android 16 also work or will I run into issues? Thanks in…

Hello @Hns , Welcome to the Fairphone users forum. installing android 15 /e/OS over android 16 FairphoneOS is not a problem (because related firmware is include with the build) what matter is “Android Security Update”, at the time of bootloader unlock. what is your current ? [FPOS-SPL] [ima…

A safe guide to install /e/OS on your Fairphone

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piero-e March 10, 2026, 1:01pm 27

no, just updating OTA

yes.

Fairphone 6 Android tauschen gegen neues Fairphone 6 Murena