HMD Thunder Pro has surfaced in a fresh leak that reveals its design and key specifications ahead of any official announcement. Renders shared by a tipster show a flat-frame design with a horizontal rear camera module. The handset is tipped to feature a 6.67-inch full-HD+ OLED display, a Unisoc T620 chipset, 8GB RAM, and 256GB storage. Other leaked details include a 6…