I wanted to install back to Android 9.0 and LineageOS today! Unfortunately, my bootloader says locked although I have already unlocked OEM unlocking under the developer options in the OS. Fastboot does not recognize the device under Windows or Linux and ADB only works when I start Android 10 and then restart with “adb reboot sideload” - I still cannot install anything. Up until now I had installed E/Os and Fairphone OS Android 10.
Can anyone help me please?
Thank you in advance.
fastboot not working on Windows sounds somewhat familiar, maybe this helps: https://community.e.foundation/t/fp3-no-usb-conection-via-fastboot-unlocking-bootloader-not-possible/23351/6?u=ingo_fp_angel
Just to make sure there is no misunderstanding: allowing OEM unlock in the developer option is not yet the actual unlock, i.e. it’s to be expected that the bootloader is still locked.
thanks Ingo - will try that and hope the best!
Well - throwing away Windows 10 and installing again Linux fixed it for me… took me just 5 minutes to unluck and flash lineageos… thanks so it was obvious a windows driver problem…
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