: Third-party firmware can expose your TV to security exploits. Historically, TCL Android TVs have had vulnerability alerts (e.g., CVE-2020-27403) which were patched through official updates.

: Poorly planned or incorrect firmware updates carry a high risk of "bricking" your device, rendering it permanently unusable.

Downloading firmware for a from unofficial sources as a .rar file is generally not recommended due to significant security and stability risks . Reviews from community platforms like Reddit warn that software from "sketchy sources" or unofficial channels can contain malware. Key Risks & Concerns

: Users frequently report that even official updates can sometimes cause lag, unresponsive remotes , or random shutdowns. Using unofficial software significantly increases these risks.