Install /e/ on a Teracube Teracube 2e (2020) - “2e” (beta)
Requirements
- If required take a backup of all important data from your phone on an external storage device before proceeding.
- Do not take a backup on the same device as some of these actions will format the device and delete the backup.
- Ensure your phone is charged more than 50%
- Check that
adb
andfastboot
are enabled on your PC. If not you can find the setup instructions here - Download all the files and images mentioned in the download section below before starting the installation
Make sure you have a working data cable to connect your device to the PC. There are cables which are only for charging and do not transfer data.
- Enable USB debugging on your device. You can find the instructions here
Downloads for the 2e
Try the /e/ Recovery (limited functionality)
/e/ Recovery for dev build
To understand the difference between /e/OS builds check this guide
Unlock the bootloader
- Enable
USB debugging
andAllow OEM Unlock
following the guide given here Reboot in fastboot
automatically: from your computer, run
adb reboot bootloader
or
manually:
Turn off your phone and start it with
power
+volume up
keys.On the menu presenting three options, press
volume up
until fastboot is selected, and pressvolume down
to accept this choice
OEM unlock the device
Once your phone is in fastboot mode, on your PC type in a console the below command
fastboot flashing unlock
and press
volume up
on your phone to accept- The device will reboot automatically after an unlock.
Installing /e/ from the bootloader
- Download the build package linked in the
Downloads
section above and extract it to a folder of your choice - Connect the device to your PC if not already done
Ensure you have a cable which allowed file transfer. Some cables can only be used for charging.
- Move to the directory where you have extracted the files in the first step. To do that type the below command in a console
cd path-of-the-extracted-files
- Install /e/OS by typing the following commands in the console
fastboot -w fastboot flash boot boot.img fastboot flash recovery recovery.img fastboot flash vbmeta vbmeta.img fastboot flash vbmeta_system vbmeta_system.img fastboot flash vbmeta_vendor vbmeta_vendor.img fastboot reboot fastboot fastboot flash system system.img fastboot flash product product.img fastboot flash vendor vendor.img fastboot reboot
sudo fastboot
insteadTo find some troubleshooting tips… click here
adb
- Getting a
Total xFer ':' 0.01x
message - Try to upload the /e/OS to internal storage and retry to install adb ':' sideload connection failed ':' insufficient permissions for device
error - Try to execute the commandsadb kill-server
andadb start-server
and retry- Running
adb shell twrp install /sdcard/</e/ zip package>
raise non-existent directory error - Try to check solution here - Getting an
insufficient permissions
error - Try the solution given here - When running "adb devices" in bash a device is shown as "unauthorized" - Try the solution given here
TWRP
- Errors while running TWRP version 3.4.x.x or above - Try downloading and using a previous TWRP version.. below 3.4.x.x
- In TWRP if this error shows up
failed to mount /preload
- Try in TWRPwipe
screen in advanced menu selectpreload
andswipe to wipe
/cache/recovery/xxx -> no such file or directory
error while flashing a ROM - On PC runadb shell
in the console now create a folder called recovery for e.g. here the devicecode name is violet "violet :/cache# mkdir recovery"
Connectivity
- Trying to troubleshoot mobile connectivity issues - Read this guide