The Braderie de Lille, one of Europe’s largest flea markets, returns this weekend, running from Saturday morning until Sunday afternoon, for a total of 34 hours of continuous shopping. The event transforms the city center into a massive marketplace with nearly 2.5 million visitors expected and over 50 kilometers of stalls. With traffic banned in the area, many shoppers are choosing to travel light—but the question remains: can a smartphone truly replace all the tools needed for such a big event? A smartphone can act as a replacement for several traditional items, like transport tickets, credit cards, GPS, and cameras. For transportation, using a smartphone as a digital wallet is a practical option. With 54 additional trains running and 15,000 discounted train tickets available starting at 3 euros, digital tickets, QR codes, and travel itineraries can be stored on the device. Once at the event, the smartphone can also serve as a GPS, camera, messaging tool, and payment method. This is especially useful for visitors who walk a lot, use the metro, or take advantage of park-and-ride lots to complete their trip using public transport. The official event map for 2026 is downloadable, and it’s recommended to save it along with tickets and reservations for easy access, even when internet connections are unreliable. Despite the convenience of smartphones, some challenges remain. Some bus routes may be affected during the event, and real-time updates from the local transport authority, Ilévia, can help avoid delays. However, mobile payment doesn’t solve everything. The City of Lille advises visitors to carry cash, as many vendors may still not accept credit cards, even in 2026. Having some cash on hand can prevent the frustration of missing out on a rare find due to a lack of payment options. Another challenge is smartphone battery life. Features like GPS, photography, video recording, 5G connectivity, high screen brightness, messaging, and payments can quickly drain the battery. To prepare, it’s best to charge the phone fully before leaving, enable power-saving mode, lower the screen brightness, and close any unnecessary apps. A portable external battery and a charging cable can help prevent a low battery from ruining the experience. It’s also recommended to keep the phone’s location enabled and store the IMEI number separately. If the phone is lost or stolen, Apple and Android tools can help locate or secure the device, and the IMEI can be used to block it after reporting the theft. While it is possible to attend the Braderie de Lille with just a smartphone, the ideal setup includes a phone, an external battery, and some cash. Carrying a few small bills can make all the difference in ensuring a smooth and enjoyable shopping experience.