How do you delete data from a phone so that it cannot be recovered?

Asked by: scraper  |  Last update: August 1, 2026
Score: 0/5 (0 votes)

To delete data permanently, perform a Factory Reset. Since modern phones are encrypted by default, wiping the phone destroys the cryptographic keys, rendering any remaining data unrecoverable.

How to permanently erase data from phone so that it cannot be recovered?

Perform a Factory Reset

Perform a full factory reset from the settings menu. Choose the option to erase all content and settings. Wait for the device to reboot as new. Note: On some devices, factory reset options may differ, so follow your phone's instructions carefully.

How to permanently delete photos from phone so that it cannot be recovered?

Delete photos & videos permanently

  1. On your Android device, open the Google Photos app.
  2. Sign in to your Google Account.
  3. At the bottom, tap Collections Trash. Select.
  4. Choose the photo or video that you want to delete permanently.
  5. At the top, click Select.
  6. Tap Trash. Delete permanently.

How to delete data that cannot be recovered?

To permanently delete files so they cannot be recovered, empty the Recycle Bin (Windows) or Trash (Mac), use secure deletion tools like cipher /w to overwrite free space, or use third-party "shredder" apps. Standard deletion only hides files, but these methods ensure they are overwritten with new data, making them unrecoverable.

How to make a file unrecoverable?

To permanently delete files from a Windows computer and make them unrecoverable:

  1. Delete the files normally and empty the Recycle Bin.
  2. Use built-in tools like cipher /w to overwrite free space.
  3. Employ third-party software for secure deletion.
  4. Encrypt sensitive data before deletion for added security.

How To Permanently Delete Files So They Can't Be Recovered | Completely Erase Data From Phone & PC

22 related questions found

Are deleted files really deleted or is there a way that they can be recovered?

When you delete a file, you remove its reference from the file system, but the actual data stays. That's why recovery software can often restore deleted files unless the space has been reused.

Can a person who bought my phone recover my data after a factory reset?

If you properly performed a factory reset on a modern smartphone (Android or iPhone), your data is securely and permanently erased. Modern phones use file-level encryption, and a reset destroys the decryption keys, rendering any underlying data unreadable even to advanced forensics.

What does *#7353 do on Android?

The code *#7353# opens a hidden Quick Test Menu primarily found on Samsung devices. It allows you to quickly test individual hardware components (like the camera, screen, and sensors) without needing to dig through system settings.

Can deleted photos be truly unrecovered?

You can restore recently deleted photos and videos that are still in your trash. Items that are permanently deleted can't be restored.

How to delete data from android phone permanently before selling?

To completely and permanently wipe your Android phone so it cannot be recovered before selling, follow these essential steps:

How to stop deleted photos from coming back on Android phone?

If you use Google Photos, go into its settings to ensure auto-backup is off. You may need to go to your Archive or Bin in the Google Photos app to delete the photos permanently. Check other photo backup apps you may have on your phone, like OneDrive or Dropbox, and ensure the auto-backup feature is disabled.

Can police recover data after factory reset?

Yes, it is possible for police to recover data from a factory-reset phone.

Does a factory reset delete everything permanently?

A factory reset deletes all user data from internal storage and restores the device to its original out-of-the-box software state. It wipes photos, accounts, messages, and downloaded apps. However, data may still be recoverable using specialized forensic tools unless the storage is fully encrypted.

What does *#9900 do to your phone Android?

Dialing *#9900# on your Android phone (most commonly Samsung devices) opens the SysDump menu. This is a hidden system tool used by developers and technicians to collect system logs, diagnostics, and free up storage space by clearing out temporary debug files.

What does ## 4636 ## do on a Samsung?

On a standard Android phone, the code *#*#4636#*#* (often typed as ##4636##) opens a hidden Testing menu. It is used to view device information, battery health, usage statistics, and Wi-Fi details, and to lock in specific network bands (like 4G or 5G).

What is the ##72786# secret code?

SCRTN is the acronym for Special Code To Reset the Network. ##SCRTN# (##72786# on the phone dialpad) is the code that should be dialed to initiate the process of resetting mobile device network settings. An SCRTN is sometimes referred to as a “network reset” by industry professionals.

What does *97 do on a phone?

Dialing ∗97∗ 97∗97 on a phone is a standard Feature Access Code (or "star code") primarily used to directly access your voicemail box or system menu.

How to get data from a phone that has been factory reset?

Recover Data After Factory Reset Android with Google Backup. If you had Google Backup enabled on your Android phone before the factory reset, this is the most reliable and guaranteed method for restoring your contacts, settings, and most app data.

Can someone access my data after a factory reset?

Many users believe a factory reset protects their data. But that's a misconception. A reset removes the pointers to your data—not the data itself.

How long does a factory reset usually take?

In most cases, a factory reset takes between 30 minutes and 3 hours. The total time depends on a few important factors including the speed of your PC, the amount of data on the system and the type of reset option selected. If you choose to keep your files, the reset will usually be quicker.

Is permanently deleted really deleted?

"Permanently deleted" usually means the file is hidden and marked as free space, not immediately destroyed. While invisible to the user and officially "gone" from the system, the data often remains on the drive until overwritten by new information, meaning it can be recovered using specialized tools.

Can police recover permanently deleted files?

Cops using forensic software can often look into a device's primary storage (as well as cloud storage) and pull up information that the user may have believed was permanently deleted long ago. That capability extends beyond images and documents. It can include items stored in databases like text messages and emails.

How much does Best Buy charge for data recovery?

Best Buy’s Geek Squad charges a $49.99 diagnostic fee. If the data is recoverable, total costs generally range from $200 to $2,500+, depending on the severity of the damage and whether the device requires in-store troubleshooting or must be shipped to their third-party lab.