Open the terminal and enter into where is project is: The execute the following commands 1) cordova build –release android 2) keytool -genkey -v -keystore MY-mobileapps.keystore -alias MYmobileapps -keyalg RSA -keysize 2048 -validity 10000 This comman will ask for some info as below : Enter keystore password: Re-enter new password: What is your first and last name? [Unknown]: abc What is the name of your organizational unit? [Unknown]: abc What is the name of your organization? [Unknown]: abc What is the name of your City or Locality? [Unknown]: abc What is the name of your State or Province? [Unknown]: abc What is the two-letter country code for this unit? [Unknown]: IN Is CN=abc, OU=abc, O=abc, L=abc, ST=abc, C=IN correct? [no]: y Generating 2,048 bit RSA key pair and self-signed certificate (SHA256withRSA) with a validity of 10,000 days for: CN=abc, OU=abc, O=abc, L=abc, ST=abc, C=IN Enter key password for <MYmobileapps> (RETURN if same as keystore password): [S...