To be extra safe, it's a good idea to remove your SIM card, which may contain your phone number, security information and billing info. To remove, locate the SIM tray (usually on the right side of your device) and insert a paperclip into the hole to pop out the tray. Take out the SIM card and replace the tray.
We recommend that you remove the SIM card from your phone before sending it to us. Your SIM card stores information that uniquely identifies your phone on a cellular network. By removing your SIM card, you protect your private service-subscriber key and free your phone to be resold on the second-hand market.
Your SIM card stores personal information like your phone number, contacts, security data, text messages, billing information, and more. As such, you'll want to remove your SIM card before selling your iPhone since you don't want a new owner getting ahold of your data.
Does taking out your SIM card delete everything? The short answer is: nope. The shorter answer is: no. Taking out your SIM card will not delete all of your data.
Erasing the data on your device
The best way to make sure that your data is completely erased* is to use your phone's Erase all Content and Settings or Factory reset features.
Can my data still be accessed even after resetting my device? The data on most Android phones is encrypted which means that it can't be accessed following a factory reset. As such, you don't need to worry about another person accessing this information if you sell your Android phone.
Data that SIM cards contain include user identity, location and phone number, network authorization data, personal security keys, contact lists and stored text messages. SIM cards allow a mobile user to use this data and the features that come with them.
Besides your carrier information, contacts and a few text messages, no other data is stored on your SIM card. Its memory capacity is not big enough to store a high-resolution photo captured on the modern smartphone.
Remove SIM and SD cards
If you're going to keep the same phone number, you may be able to transfer your SIM card to your new phone. If you're not going to reuse the SIM card, destroy it. If your phone has an SD memory card for storage, remove it.
Removing your SIM card is just one thing to do before you sell your cell. You will also need to make sure that your device is free of any other personal data, and you'll want to prepare it for a smooth sale process.
It contains your phone number, which is connected to your account with your wireless provider, and it houses a SIM, which connects your phone to a wireless network. But everything else stays on your phone when you remove the SIM card.
Unfortunately, this isn't the case—SIM cards actually hold onto your old contacts, texts, and other personal info, which can be very dangerous in the wrong hands. If you're getting rid of an old phone, destroying your SIM card is the quickest and easiest way to make sure your data can't be recovered by anyone else.
In Short. First of all, you should manually remove every account that you have signed in with. Then, remove any MicroSD card and your SIM card from the device. It is important that you give your old Android phone a proper factory reset before selling or trading it.
The SIM card memory is not enough to save your pictures. It stores a small amount of info including: your phone number. some contacts and text messages.
Plug in both phones with a cable if using one, or to charge if sending data wirelessly. Open the Smart Switch app on both phones, the app can be downloaded from the Google Play store if it isn't pre-installed. Go to Settings > Smart Switch on the new phone. Select Transfer data and click on Continue.
SIM cards make it easier than ever to transfer your phone service from one phone to another. When you insert your SIM card into a different compatible or unlocked phone, you can instantly use your existing phone number and cellular service on your new phone.
Additionally, SIM cards store two passwords: your Personal Identification Number (PIN) and your Personal Unblocking Key (PUK). The PIN code is required to unlock the SIM card when inserting it into a new phone or after a reboot.
Answer. No. SIM cards do not store data.
Text messages are stored on your phone, not on your Sim. Therefore, if someone puts your Sim card into their phone, they will not see any text messages that you have received on your phone, unless you have manually moved your SMS's to your Sim.
Important: A factory reset erases all your data from your phone. If you're resetting to fix an issue, we recommend first trying other solutions. Learn how to troubleshoot Android issues. To restore your data after you reset your phone, you must enter security info.