Did you upgrade to the latest smartphone recently? When the new iPhone or hot Android models is available, many cell phone users may want to upgrade to the latest technology. When your contract with wireless carrier is expiring, you will also be pushed to buy the latest mobile phones. You can sell an old smart phone for extra money also do the good to the environment when recycling old electronics, so many mobile users would sell or donate their old phones. Some people however are negative. They worry about their personal data saved on the phone. There are too many secrets and sensitive data saved on the internal memory or memory card of our mobile phone. You think you have deleted or wiped everything on the phone, but in fact there is still a chance those deleted or formatted data can be recovered. We want to protect privacy and their private data on old phone when selling the old phones. Should you sell your old phone or not? How to protect your privacy? We have to answer these questions before sell, trade or donate our phones.
How to safely erase data on old mobile phones, Android, Samsung, iPhone, Nokia, Motorola? Doing a factory reset on an old phone is the standard recommendation before selling or recycling phones. Even a factory reset on the phone can not completely erase everything and prevent them from being recovered. For example you can refer to this guide to recover data on the phone after factory reset. If your recycled phone was handed to the wrong hands, selling a phone may be more dangerous than losing your phone. There are hidden security risks most people should but don’t know about, like identity theft, credit card fraud, etc. If you have lost your phone, you will take actions to prevent your important data from being used for illegal purposes. For example, you will change your passwords to email account, banking account, remove the phone number from your personal account, cancel wireless service, etc.
Android is the world’s most popular mobile phone system. Most smart phones nowadays are running on Android, such as Samsung, HTC, Lenovo, LG, Motorola, Huawei, Xiaomi, Sony, and many others. Do you know that the deletion on Android phones doesn’t technically remove data store on the phone? Instead the deleted data will be flagged as deletion with the location or path of that data being masked so regular apps or software can’t access them. The deleted data will stay somewhere on your phone before they are overwritten by new data. Thus they are actually recoverable using professional data recovery software. For example, you can follow this guide to recover data from internal memory of Android phones. A lot of private data that you have deleted can still be recovered, such as contacts, messages, photos, videos, documents, chat history, call logs. For example, you can recover deleted photos videos from Samsung galaxy, and this tutorial to recover text messages from Samsung galaxy phones.
Do not forget about SIM card and SD card on the phone. They can also save a lot of private information, such as phone numbers, contact details, photos, videos, documents and many others. Take out the SIM card and SD card before you sell or trade your old phone. SIM card is not supposed to transfer to anyone else. SD cards can be found in many of Android phones. These memory cards can save a lot of private data and they are vulnerable for data harvesting. You can delete data from SD card, erase or format SD card, but still professional data recovery tools can pull up much of the deleted data from your SD card. See this tutorial to retrieve deleted files from SD cards. So do not forget to take the SD card from any phone you sell. It is very cheap to buy a new one, no one would really be interested in an old SD card unless they want your data saved on it.
Is there any good way to delete, erase, wipe data on old phone before sell or recycle it? You can refer to this guide to safely erase data on Android, iPhone, Nokia and more smartphones. This smart phone erase or data destroyer can erase anything on your phones and tablets, such as contacts, messages, photos, videos, call logs, browser history, notes, etc. Almost all major mobile phones are supported, like iPhone, iPad, iPod touch, Android, Samsung, LG, Motorola, Sony, HTC, Lenovo, Huawei, ZTE, Nokia, Google, etc.