“只偷SIM卡，不偷手机”，警方提醒

Group 1 - A criminal gang specializing in stealing SIM cards, rather than phones, was dismantled by the Shanghai Pudong police, resulting in the arrest of four suspects [1][2] - The gang targeted crowded places such as bathhouses, parks, and sports venues, committing over 30 thefts with a clear focus on SIM cards [3] - The suspects were found to be working under the direction of an overseas fraud group, charging 1,000 yuan per hour to facilitate communication for scams [3] Group 2 - The gang employed covert methods, using stolen SIM cards in their phones to connect with overseas fraudsters, targeting individuals with prior training institution records for scams related to refunds and course upgrades [3] - A "recycling" model was established by the gang, where once a stolen SIM card was blocked or out of service, they would steal another and replace it to obscure traces and complicate investigations [3][4] - The suspects are currently facing criminal charges for aiding information network crimes, with the investigation ongoing [4]