Tecno announces Phantom Ultimate rollable smartphone concept

The highlight of the Phantom Ultimate lies in its seamless transformation, which enlarges the display from a compact 6.55 inches to an expansive 7.11 inches within a time frame of 1.2 to 1.3 seconds

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, Phantom Ultimate , Always On Display , Tecno Phantom Ultimate , Tecno , Rollable Phone , Rollable Smartphone , Rollable Screen ,