how to track phone when my find my wasn't turned on

With the possible exception of step #7, this article has things you should do if you have lost your phone --> If your iPhone, iPad, or iPod touch is lost or stolen - Apple Support

- The Find My service described in the article is the only recovery feature Apple offers. It must be set up before the device is lost.

Read this support article to learn what you can do if Find My iPhone or Find My iPad isn't enabled on your missing device --> If Find My iPhone or Find My iPad isn't enabled on your missing device - Apple Support

There is no way to track it.

Don'ts

If the device is removed from an account after it is erased, Activation Lock will be turned off. This allows another person to turn on and use the device.

An example of my iPhone 5 is given in the GIF below. There is no "Undo" after you remove it from your account.

iPhones are designed with strong security measures to protect the privacy and data of their owners. One of the key features that ensure this is the requirement of an Apple ID and password or a passcode to access the device's contents. This means that without the owner's authorization, it is nearly impossible for anyone else to open an iPhone and gain access to its data.

• The Apple ID and password serve as a unique identifier for each user and are used to link the device to the owner's iCloud account.
• In the event that the owner has chosen to set up a passcode, an additional layer of protection is added.
• Additionally, enabling two-factor authentication for the Apple ID further enhances the security of the device by requiring a secondary verification step, typically through a trusted device or phone number, to access the account.

With these security measures in place, iPhones offer a high level of protection against unauthorized access. Even if someone physically possesses the device, they will find it extremely challenging to access its contents without the owner's Apple ID and password or the passcode. This helps safeguard sensitive information, personal data, and ensures the privacy of the iPhone's owner.

It is worth noting that while these security measures provide strong protection against unauthorized access, it is essential for iPhone owners to choose strong and unique passcodes or passwords. This minimizes the risk of brute-force attacks or password-guessing attempts.