Do factory reset delete everything off Android Samsung galaxy?

If you are preparing to sell or reset your Android phone, you may have a question in mind: Do factory reset delete everything off samsung phone? At first glance, factory reset does return the phone to "factory state", but in fact, it does not completely erase all data. This article will tell you how factory reset works and provide three ways to completely clean up data to help you protect your privacy.

Factory reset: clear but not completely
Factory reset will delete most of the content on your phone, including:

• Locally stored photos, videos, documents.
• All contacts, text messages, and third-party application data.
• Custom settings, such as Wi-Fi passwords, wallpapers, etc.

But in fact, factory reset only marks the data as "overwriteable" instead of completely erasing it. This means that it is still possible to recover this data using professional data recovery tools. Therefore, if your phone is about to be sold or given to someone else, factory reset is far from enough!

However, you can try this method:

I recommend: Encrypt data before resetting
The fastest and free method is to make stored data unreadable by encrypting it:

Turn on phone encryption (if it is not automatically encrypted):

1. Open Settings and go to Security or Encryption & Credentials.
2. Encrypt your phone data as prompted (some new devices are encrypted by default).
3. Perform a factory reset:
   Go to Settings -> System -> Reset Options and select Restore Factory Settings.

Pros: Makes data unreadable even if it is restored.
Cons: Slow operation, suitable for users with high privacy requirements.