I checked my android system and 3 versions come out!?

[Android Central Question]

How do I remove other android software? Because my phone have 16gb storage but now I only have 6gb free storage what happened to 10 more gb storage? And I checked the android software. My phone have 3 softwares. What will I do?

 

[belodion]

I'd mention the phone if I were you. Members may find it easier to answer.