Firmware Tcl 20b

If you want to make it more formal and structured you can use this format:

The TCL 20B is a budget-friendly Android-based smartphone that has gained popularity worldwide. However, like many IoT devices, its firmware remains largely unexamined. Firmware is the software that controls the device's hardware components and provides a platform for running applications. In this paper, we investigate the firmware used in the TCL 20B, with a focus on identifying potential security vulnerabilities. Firmware TCL 20B

"An In-Depth Analysis of Firmware Security Vulnerabilities in the TCL 20B: A Case Study on IoT Device Exploitation" If you want to make it more formal