Tecno Spark 40 Series Comparison: Ultra-Slim Budget Phones That Put Flagship Specs to Shame
The Tecno Spark 40, Spark 40 Pro, and Spark 40 Pro+ were officially unveiled in July 2025. The Spark 40 is 7.67 mm thick and ~188 g, the Spark 40 Pro is 6.69 mm and ~170 g, and the Spark 40 Pro+ is 6.49 mm and ~160 g, with Pro/Pro+ front glass Gorilla Glass 7 Victus and IP64 splash resistance. The Spark 40 and Spark 40 Pro use a side-mounted fingerprint sensor, while the Spark 40 Pro+ uses an under-display fingerprint reader. The Spark 40 features a 6.67-inch IPS LCD at 720×1600 with 120 Hz, while the Spark 40 Pro