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An inorganic CsPbI2Br perovskite is a pronounced candidate for indoor photovoltaics (IPVs) due to its suitable bandgap under indoor lights and robust stability. In the article EOM‐2‐12303, Sang Hyuk Im, JinHyuckHeo, and co‐workers introduced dimethylammonium iodide (DMAI) into the CsPbI2Br precursor to induce oriented crystal growth and effectively suppress interface traps. The optimized CsPbI2Br IPV with DMAI demonstrates 35.22 % for a small area (0.096 cm2) and 29.80 % (25 cm2) for a large area under 1000 lux illumination by indoor LED lamps. This work offers a promising strategy for the development of inorganic IPVs. image