Now, performing a factory reset to wipe and return an Android phone, tablet, or another Android device to default settings shouldn’t wipe the installed SIM card.

There are two ways to reset an iPad to factory settings without a password. The first involves using a computer to put the iPad into Recovery Mode and then resetting. Here's what to do: Your first ...

Whether you're selling it or just need to restart it completely, here's how to restore your iPhone to factory settings.

You can reset an iPad to its factory settings if you're experiencing significant problems with it or are planning to sell it or give it away.

Erase all content and settings Once you have factory reset iphone to sell, you will come back to the "hello" screen. Don't forget to take out your SIM card!

When you need to sell your iPhone, or fix persistent problems, resetting it to the state it was when it came from the factory, can help. Here's how to do it — and what you should do first.