Mira clicked it.
As of 2025, Sunplus has moved toward more secure chips. Newer SPCA series (like the SPCA2280) use ARM Cortex cores with TrustZone and encrypted firmware updates. The classic, unprotected firmware.bin era is fading. Consequently, the classic Sunplus Firmware Editor struggles with chips manufactured after 2021. Sunplus Firmware Editor
The journal entries described it as “firmware psychoanalysis.” A washing machine could forget it ever leaked. A pacemaker could believe it was always set to a safer rhythm. A factory oven could be made to think it had never burned down a lab. Mira clicked it