There are several aftermarket OSs that work on the Pixel 4. LineageOS is one of those. You might consider going that route if you want to sustain your hardware.
This makes me wonder if there's a market for "save my phone", where you send your cellphone in and have a new OS installed...
This makes me wonder if there's a market for "save my phone", where you send your cellphone in and have a new OS installed...