A: This is a warning screen that appears when the bootloader is unlocked. It does not mean your firmware is actually corrupt. To remove the warning, relock the bootloader after flashing verified stock firmware.
In January 2025, Google released a specialized update (Build TQ3A) to address battery stability and overheating issues that posed potential safety risks. pixel 4a firmware
The Pixel 4a (released August 2020) runs on the chipset. Its firmware includes Android OS, bootloader, radio (modem), and Trusty OS (security). Unlike newer Pixels, the 4a does not use a separate Tensor TPU; all AI features run on the DSP/GPU. A: This is a warning screen that appears