The TCL 4021 mobile phone is presented as a basic device focused on simplicity and essential functionality for users seeking a compact and efficient communication tool. It features a 1.8-inch TFT display with QQVGA resolution of 128x160 pixels, suitable for clear viewing of texts, menus, and basic content. Its internal memory is limited, with 4 MB of storage, but allows expansion up to 32 GB via Micro SD card, enabling additional file and multimedia storage. It is equipped with 4 GB RAM, providing sufficient management for the RTOS operating system based on the MTK6261D chipset, ensuring smooth basic operation. This model supports simultaneous connection of two Mini SIM (3FF) cards, optimized for dual use without compromising SD card expansion. It has a simple rear camera of 0.08 megapixels, capable of capturing very basic images and QVGA video (176x144 pixels) at 30 fps, ideal for users needing photography functions without high-quality expectations. For connectivity, it includes USB and micro USB ports for charging and data transfer, complemented by Bluetooth for compatible accessories and a 3.5 mm audio jack. Its 1000 mAh battery offers approximately 7.6 hours of talk time and 245 hours standby, providing efficient use for prolonged basic consumption, with an estimated charging time of 3.5 hours. The phone features a compact and lightweight design, measuring 114 x 47.28 x 12.7 mm and weighing about 80 grams, facilitating one-handed use and portability. Besides phone functions, it includes additional tools such as flashlight, alarm, calculator, recorder, and video player, making it a functional device for simple daily needs. Overall, the TCL 4021 offers a straightforward, reliable, and practical option, ideal for users requiring a functional phone without advanced features or technical complications.
