Newer firmware patches a rare bug where the transmitter would "forget" its bind to a receiver after a power cycle. The update ensures that model memories remain locked to their specific receivers.
If you use FlySky’s iA10 or iA6B receivers with voltage, temperature, or GPS sensors, an outdated firmware may fail to recognize new sensor IDs. Recent updates expanded the telemetry log buffer and fixed parsing errors for high-speed data streams. flysky fs-i10 firmware update