Here’s how to permanently delete data from your cell phone before selling, recycling, or giving it away. In other words, the data can be restored with data recovery software. However, deleted files remain on your Android or iOS device until other files overwrite them. Essentially, to create an index of your data, all files are marked with a “pointer.” Deleting a file removes that pointer, which means your system won’t be able to find the file anymore since it doesn’t “know” where it is. That piece of paper is your iPhone or Android after you delete your files and do a factory reset.Īndroid and iOS devices use data indexing to keep track of stored files. In whodunnit mysteries, detectives often find crucial clues on pieces of paper by rubbing a pencil over them. Why Resetting Your iPhone or Android Device is not Enough # If you’re thinking of getting a new device, read our guide below to learn how to completely erase the data on your old phone or tablet.

The data can be recovered and might end up in the wrong hands.

Unfortunately, doing a factory reset doesn’t permanently erase your phone. It’s important to completely wipe your Android phone or iPhone before selling or giving it away. The good news is there’s a way to permanently delete all the data on your phone or tablet before selling it or giving it out.

How to completely erase iphone