Walton Primo RX7 Mini Price in Bangladesh and Full Specifications. Walton Primo RX7 Mini is a Smartphone of Walton. This Walton Primo RX7 Mini have 3 GB RAM. 32 GB Internal Memory (ROM). microSD, up to 128 GB External Memory Card. Walton Primo RX7 Mini Comes with 6.1 inches, IPS Display. Display with a Resolution of 720 x 1520 pixels HD+. Walton Primo RX7 Mini measures 149.5 x 72.8 x 8.1 mm (height x width x thickness) and weighs 161 g (grams). It’s performing Octa core, 1.8 GHz. Operating System Android, Version 9.0 (Pie). Connectivity options on the Walton Primo RX7 Mini include Wifi: Yes, Bluetooth: Yes (V4.1), GPS: Yes, with A-GPS. It’s Official Price is 7,799.00 Taka (Bangladeshi).