And judging from Apple's past experience and strategy, they are unlikely to lower the price any further. The iPhone SE was $399 in 2016, $399 in 2020, and likely still be $399 in 2024.
The true commodity Smartphone segment still has a long way to go before reaching iPhone SE quality. And unlike Cars which has comparatively minimal advance, you can still use your car from 2000s, your 3G phone will likely not be getting much bandwidth due to Spectrum reframing.