Hello. I am stuck trying to install e/Os on my fairphone 6 running android 16. I’ve used the webinstaller succesfully until I reach step 9, then I get this message: [Error step 9 webinstaller] When running adb and the fastboot command ¨flashing unlock” in the terminal, I get the message ¨waiting…

[image] A safe guide to install /e/OS on your Fairphone if not properly "installed in your path” as explained in Installing adb and fastboot on macOS and Linux PC , simply add ./ at the beginning of all your adb or fastboot commands, will use the version included into the relative folder (the la…

Most likely you need to install bootloader driver when you use a windows PC [image] de gb How to: ADB/Fastboot (Windows) Guides de Platform Tools runterladen von hier Zip Ordner entpacken Entpackten Ordner öffnen, den darin enthaltenen Ordner auch öffnen In …

Hello @Ullie , Welcome to the Fairphone users forum. [image] A safe guide to install /e/OS on your Fairphone Guides [e] because even well illustrated, the “web-installer” often don’t work, and because the install instructions provided by /e/ can be imbuvable f…

Thank you for your answer, but I am not on a windows pc, but on a linux (zorin 18) pc.

[image] Ullie: ¨waiting for any device” is the device in Bootloader mode ? [image] do you use a real Data capable USB cable ?

Yes, it is in bootloader mode and I am using a data cable.

Thank you for all the help! I’m so happy people are here to contribute ideas. Next weekend, I will try to follow the steps of the safe guide you send. I’ll let you know if it worked out! Have a nice evening!

Thank you. I have managed to install e/OS now with this guide. I was hesitant to try this at first, because it felt a bit intimidating to me. Apparently the trick is not to start using online installer and when it gets stuck, switch to using the terminal with adb and fastboot. Now my only question …

./fastboot flashing get_unlock_ability if the return is 1 → you will be able to unlock if the return is 0 → you will not be able to unlock now,

[image] Ullie: The SPL of Android 16 that was previously installed is february 5 2026. The SPL of e/OS is newer (march 5 2026), but this build is based on Android 15. So I am not sure if that would cause any problem. The Android Version isnt relevant in this case just the SPL and as its newer…

Is there a difference between “Android security update” (my phone now says it is 1 March 2026) and “Vendor security patch level” (my phone says it is 5 december 2025)? And is it still safe to relock the bootloader now, since the SPL of Android 16 that was previously running on my phone was 2 februar…

Problem bootloader installing e/os

Help Fairphone 6

piero-e March 29, 2026, 1:07pm 3

Hello @Ullie, Welcome to the Fairphone users forum.