By Admin 
Often people make the mistake that when they sell their phone to someone, they do not check all its data properly. Because of this, their personal data and some personal information can reach another person. So whenever you sell your phone. Before that, delete all its data completely. If you do not do this, your personal information may be misused and someone may even blackmail you.
Before selling your old smartphone, first of all take a backup of all your important data. This includes important files like photos, videos, contacts, messages, documents and WhatsApp chats. You can save their backup in Google Drive, iCloud or your computer. By doing this, your important data will be easily recovered after getting a new phone.
Also read: Important Phone Settings: Make these three changes in the phone, not the mobile but you will become smart, know here what is the method?
Sign out all accounts
Before selling the phone, logout from your Google Account, Apple ID, email and all other apps. If this is not done then a new person can access your account or you may face problems later.
Turn off screen lock and Find My Device
If your phone has Android then remove Find My Device and screen lock. On the iPhone, turn off Find My iPhone and sign out of the Apple ID. With this, new users will not face any problem in using the phone. Also you will not have any other problems.
Remove the SIM and memory card
Before selling the phone, remove the SIM card and microSD card, if any. Many people forget to remove them in a hurry, due to which their personal data can get into the hands of someone else and in such a situation you can get blackmailed by the other person.
Also check the status of the phone
Before selling the phone, also check whether you have things like charger, box and bill or not. Also whether the screen, camera and battery are working properly or not. This makes it easier to sell the phone and you can get a good price for it, hence it is important to do all this.
Also read: Important Phone Settings: Make these three changes in the phone, not the mobile but you will become smart, know here what is the method?