IO's Firefly brand received a major Aster 1.5.0 OTA update on May 14, 2026, highlighted by a free motor power upgrade from 105kW to 120kW for all existing owners . This marks the 4th major update for the Firefly EV since its launch, further solidifying its position in the 100,000 yuan-level smart EV market with its advanced six-domain fusion electronic and electrical architecture .
🚀 The 120kW Free Power Upgrade
The headline feature of the 1.5.0 update is the free Over-the-Air (OTA) motor power upgrade. All existing owners will see their vehicle's peak motor power increase from 105kW to 120kW at no cost . This brings older models' performance in line with the refreshed Firefly EV launched in April 2026, which starts at 119,800 yuan .
Key performance improvements after the upgrade include:
0-100 km/h acceleration drops to 7.9 seconds .
50-100 km/h mid-range acceleration is reduced to 4.61 seconds .
This represents a 14.2% increase in total power output .
This isn't a simple "unlock" but rather a sophisticated software enhancement. Firefly's team updated the electronic control north korea algorithms, improving voltage utilization by 5% to safely achieve the power gain while maintaining torque response and system stability .
⚡ New "Swap Station Parking Assist" for 5th Gen Stations
The update introduces a new intelligent feature designed to prepare Firefly vehicles for NIO's upcoming fifth-generation battery swap stations .
Functionality How It Works
Swap Station Parking Assist The feature assists the driver in automatically parking the vehicle into the new swap station bay after a swap order is confirmed .
User Steps After ordering a swap, the driver pulls into the designated area and taps "Start Swap Process" on the aleksandar kovacevic center screen. The system then guides the vehicle into the station with automated parking .
NIO is building 5 to 10 fifth-generation pioneer swap stations between May and June 2026, with large-scale deployment beginning in July and August. These new stations have a completely reconstructed architecture to accommodate the shorter wheelbase of Firefly cars .
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