Free Software Upgrade The Hong Kong Jockey Club and Telecom Digital provide free MangoDeluxe/ MangoCombo software upgrade service. Users may visit the following locations during business hours for the service: Any Interactive Services Centers Telecom Digital Customer Centers/ Telecom Digital Outlets. Shatin Racecourse and Happy Valley Racecourse After free software upgrade, users can place bets on all newly provided Football bet types instantly. For details, please contact Telecom Digital at 7777-1881.