There are a few ways to store information on your phone:

* Notes app: Most phones come with a built-in notes app. You can use this to write down information, such as facts about RAM.

* Documents app: Some phones have a documents app that allows you to create and store documents. You could create a document about RAM and save it here.

* Cloud storage: Cloud storage services, such as Google Drive or Dropbox, allow you to store files online. You could create a document about RAM and save it to your cloud storage.

Here are some tips for storing information on your phone:

* Organize your information: Create folders to organize your notes and documents.

* Back up your information: Back up your phone regularly to avoid losing important information.

* Use a password manager: If you use cloud storage, use a password manager to keep your passwords secure.

I hope this helps!

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