To give you the best advice, could you tell me: What is the exact model of your box (e.g., MXQ-4K, V88)?
I selected the custom ROM .img file I downloaded. The tool parsed the file and showed a progress bar. I hit . rockchip rk3229 custom rom
If you are ready to look for firmware or ran into an issue during setup, let me know: What is the printed on your outer case? To give you the best advice, could you
The RK3229 is an older chip—a quad-core Cortex-A7 processor. It was the workhorse of budget TV boxes around 2016. Because it was so common, the market was flooded with generic firmware. The problem? Most stock firmware on these devices was unstable, lacked proper Widevine certification for Netflix, and was often rooted by shady manufacturers. It was the workhorse of budget TV boxes around 2016
You might be able to jump from old Android 5.1/6.0 to a more stable, lightweight, or "Android TV" optimized version.
Several developer communities have optimized firmware specifically for this chipset. The most prominent choices include: 1. Nexus ROM (Android TV Port)
Flashing a custom ROM requires careful attention, as using the wrong firmware can permanently break ("brick") your TV box. Prerequisites or Android Tool (Windows). USB Cable (Male to Male USB cable is often required).