If you are looking at A2zrom for your TCL TV, you are likely trying to fix a "boot loop," unbrick a device, or manually upgrade a software version that hasn't reached you via Over-the-Air (OTA) updates yet. Why use A2zrom? Unlike the official TCL Support site

To get the correct software, you must know your exact TCL TV model number and, if possible, the mainboard number. Navigate to A2zrom.com

TCL produces millions of smart TVs globally, ranging from budget-friendly 4K models to high-end Mini-LED beasts like the C-Series and P-Series. However, regional firmware variations can lead to:

A: No. A2zrom specializes in Android/Google TV ROMs. Roku OS is closed-source and cannot be manually flashed.

You are an experienced user, your TV is out of warranty, it is currently bricked (non-functional), and you have verified the Project ID matches the file exactly.