Highlights: – TECNO is planning to launch the TECNO Phantom Ultimate smartphone with a rollable screen and a 7.11-inch display.– The smartphone has been teased on social media platforms by TECNO, showcasing its unique rollable screen that can expand from 6.55 inches to 7.11 inches in just 1.2 to 1.3 seconds.– The TECNO Phantom Ultimate […]