You can also take a look at the [video recording](/images/howtos/teracube-sd-card-update/eost2updatefromsd.webm) of the steps below.
1. Take a backup of your data (recommended).
1. Charge your phone to at least 50%.
1. With your phone's screen turned on, long press `Power` button till you see a side menu.
1. Tap on `Power off`.
1. Wait for at least 10 seconds after your phone is completely turned off.
1. Open your phone's backcover and insert the SD card sent to you by Murena.
1. Long press `Power` and `Volume up` buttons at the same time, until a text menu appears on the screen.
1. This text menu cannot be used via touch screen. `Volume up` button is used to `Navigate` the options and `Volume down` button is used to enter the selected option. An arrow `<<==` indicates the selected option.
1. Navigate to `Recovery Mode` using `Volume up` button and enter the option using `Volume down` button.
1. Once the device boots into recovery mode, you will be able to see the /e/ logo and `Recovery` title below it.
1. Tap on `Apply update`.
1. Tap on `Choose from sdcard1`.
1. Tap on `e-1.5-q-2022...`.
1. If you see a message saying `Signature verification failed`, you can still tap `Yes` and safely continue with the process (at least for this guide).
1. At this point, the update is being applied. This can take a while to finish, and the progress % might even get stuck at some point. Don't worry and have some patience, the update will ultimately succeed.
1. Congrats! An updated version of /e/OS was successfully installed on your Teracube 2e. Your system settings will reflect the updated `Version number`. Have fun with the update!
1. In the URL bar, enter [https://lstu.fr/2e15q](https://lstu.fr/2e15q) the shortened URL or [https://ota.ecloud.global/builds/full/stable/2e/e-1.5-q-20221028230220-stable-2e.zip](https://ota.ecloud.global/builds/full/stable/2e/e-1.5-q-20221028230220-stable-2e.zip) the full URL.
1. With your phone's screen turned on, long press `Power` button till you see a side menu.
1. Tap on `Power off`.
1. Wait for at least 10 seconds after your phone is completely turned off.
## 3. Install the update
1. Long press `Power` and `Volume up` buttons at the same time, until a text menu appears on the screen.
1. This text menu cannot be used via touch screen. `Volume up` button is used to `Navigate` the options and `Volume down` button is used to enter the selected option. An arrow `<<==` indicates the selected option.
1. Navigate to `Recovery Mode` using `Volume up` button and enter the option using `Volume down` button.
1. Once the device boots into recovery mode, you will be able to see the /e/ logo and `Recovery` title below it.
1. Once the device boots into recovery mode, you will be able to see the /e/OS logo and `Recovery` title below it.
1. Tap on `Apply update`.
1. Tap on `Choose from sdcard1`.
1.Tap on `e-1.5-q-2022...`.
1.Navigate with the `Volume down` and `Volume up` buttons and **tap** on the following folders successively when they are highlighted in orange `Android`, `data`, `foundation.e.browser`, `files` and `Download`. Select `e-1.5-q-20221028230220-st...` when it is highlighted **tap** on it.
1. If you see a message saying `Signature verification failed`, you can still tap `Yes` and safely continue with the process (at least for this guide).
@@ -29,7 +50,12 @@ You can also take a look at the [video recording](/images/howtos/teracube-sd-car
1. Go to `Settings` > `System update`, and confirm the /e/OS version at top is `/e/OS 1.5-20221028230220`
1. Congrats! An updated version of /e/OS was successfully installed on your Teracube 2e. Your system settings will reflect the updated `Version number`. Have fun with the update!
