S9+ not rcognized

[piero]

Hi,

Try another data cable (original Samsung don’t work)

[HOWTO] an Unified Install Guide Project for /e/

this post is editable as a Wiki. (1) Download an /e/OS build (2) Download recovery-e or TWRP (3) install the appropriate Flashing Tools (4) allow “Non Vendor OS” to be installed on the device (5) Check the communication between the PC and your smartphone (6) Unlock the Bootloader (7) Flash a custom recovery manager on your device (8) install /e/ from your computer, using the “adb sideload” method or (9) Install /e/ without computer using the “Storage Device” method (10) post install…

Or you are in prenormal rmm state

@aibd

KG or RMM State Prenormal

This is a “conditional” partial lock which will allow the phone to be used as normal user, but locks the bootloader. This prevents the flashing of /e/ or a custom ROM.