React Native Test build for testing team

Thanks in advance for the help.

I am new in mobile application development and react native development.

I have developed a react native application and wants to give the build to be tested to QA team.

How do we give the build?

Should we give just the apk file, which needs to be installed in their phone? Or is there a way to test in unix server where we can mention the test device details.

The QA person should be able to test with different mobiles, right? So I guess there will be a provision to test just like we have the sdb devices to test in dev environment.

Please help me with this, I can't find any solution anywhere.

Again thanks in advance.