Download the Cerestorm app on google playstore. Click here or visit scan.cerestorm.com to scan online.
To get an activation PIN for #500 per each subject (each subject contains 10 years series), send a message to Olanrewaju via Whatsapp. You can also call 07042565870 or send us an email hello@cerestorm.com.
Input the received PIN in the box and begin to practice! Goodluck!