The TECNO Spark Go 1 KL4 features a 6.67-inch HD+ display with a 120Hz refresh rate and a 90% screen-to-body ratio. It runs on Android 14 Go Edition with a Unisoc T615 processor, 3GB of RAM (expandable by 3GB), and 64GB of storage. The phone supports Dual SIM, MicroSD, and 3G/4G/4.5G networks. It has a 13MP rear camera with AI features and an 8MP front camera with dual flash. The 5000mAh battery supports 15W fast charging via USB Type-C. Additional features include IP54 water resistance, stereo dual speakers with DTS sound, and a side fingerprint sensor.