Can I Delete Open Source License?
You aren't allowed to “remove licenses”, the software you get with the phone is distributed under the conditions spelled out by the licence, often open source licenses request that the license text is shipped with the program.
Are open source licenses legally binding?
The United States Federal Circuit Court of Appeals established that these license terms are enforceable copyright conditions.
Open source license litigation - Wikipedia
Can I change open source license?
If you're the sole contributor to your project then either you or your company is the project's sole copyright holder. You can add or change to whatever license you or your company wants to. Otherwise there may be other copyright holders that you need agreement from in order to change licenses.
The Legal Side of Open Source
Can open source software be closed?
Yes, it is possible to make an open source project into a closed source project. The copyright holder can change the license of a project at any time, or cease to distribute source code of new releases. New releases can therefore be made closed source.
Is it possible to close an open source project?
Why do I have open source licenses on my phone?
Companies, individuals, universities and a lot of other entities build entire projects and use an open-source license, then they give the code away to anyone who wants to use it. The license used determines how others who use this code share their modifications.
What is open source? | Android Central