Today, almost all people use mobile phones. When the mobile becomes very old or its new model comes in the market, then people sell the old phone online and at retail stores to buy a new device. The risk of data leaks increases greatly during this time. So in this way, today we are going to give you some important tips, which will be very useful when you sell smartphones. Let's have a look at these tips. Big prediction of SUTD, "Corona will end on this date in India" Log out google id from phone Logging out Google ID is very important before selling mobile, because it connects your bank account. To log out you have to go to the option of user and accounts. After this, you will see the option to 'remove', click on it. This way your account will be logged out. This is how the Arogya Setu app protects you from Corona Do data backup before selling the phone You should make a backup of your required data before selling or changing the smartphone. This will never leak your data. To make a backup, you have to go to the settings and click on the backup option. By doing this, every picture, document and video of you will be saved in Google Drive. Ministry of Health & Family Welfare onboards Twitter Seva for citizen engagement amid corona Must delete smartphone password It is necessary to remove the save password before selling the smartphone. If you do not do this, then your personal data may reach in the wrong hands. For this, you have to go to the profile of the browser and choose the option to save password. Here you will see the password of every website that you use. To delete these passwords, you have to click on the three dots next to them. Now you will have the option to remove, click on it. After this your password will be deleted. Whatsapp is offering a new video call option