MarcoCruz Are you on Beta 1? If not, follow the steps as per the OP:
Install from non-Beta OS versions:
You first need to install Open Beta 1 - Check here for instructions
Then, as above, navigate to Settings > System > System Update
Tap “Check for update” and follow the steps for installation of Open Beta 2
To install Beta 1 (from the link in the instructions above):
How to get involved:
Ensure you have the latest NOS version installed.
Download the following APK and install it from your downloads
(This is different from the Installer provided for 2.5 Betas on Phone (2))
Navigate to Settings > System > Update to Beta version.
Tap “Check for new version” and follow the steps to get started.
Share your feedback by heading to Settings > System > Feedback or be part of the conversation by joining nothing.community
Disclaimer: Since this is a Beta version, there’s a very small chance the test software may interfere with your data and require a factory reset. In this instance, your data will be lost. We strongly recommend backing up all your data before accessing the software.