What is Customer Top Up Retention Promotion? If you have not topped up for an undisclosed period of time, you can top-up more to receive a free 15 or 30 minutes collectible on *151# or the My Digicel Application. Related articles How does the Top Up Retention promotion work? What is the “30 minutes Free bundle Collection” Promotion? How do I activate my new SIM card? What happens if I try to collect several times? (Top Up Retention) Does the new combo plan have bundle roll-over features?