Upgrade from Android R to Android T

[piero]

you should install latest build from existing recovery
Go direct to step (8) or (9)

[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…

download : https://images.ecloud.global/dev/akari/

instructions: https://doc.e.foundation/devices/akari/