- Enable developer options by tapping the software build number in About Phone seven times
- In Settings \> System, open Developer Options and scroll down to "Allow Unverified Packages."
- Flip the toggle and tap to confirm you are not being coerced
- Enter device unlock code
- Restart your device
- Wait 24 hours
- Return to the unverified packages menu at the end of the security delay
- Scroll past additional warnings and select either "Allow temporarily" (seven days) or "Allow indefinitely."
- Check the box confirming you understand the risks.
- You can now install unverified packages on the device by tapping the "Install anyway" option in the package manager.