M1 Firmware Update V2.03 May 2026
Yes if:
No if:
Upgrade to M1 Firmware v2.03 if:
Do NOT upgrade if:
v2.03 introduces a new temperature management algorithm. If the NVMe controller exceeds 75°C, the firmware will gradually reduce PCIe lane speed from 10Gbps to 6Gbps before shutting down, eliminating sudden disconnections during large file transfers. m1 firmware update v2.03
Warning: Interrupting a firmware flash can permanently brick your device. Ensure your computer has stable power and do not unplug the cable.
Some M1 network drives require an offline flash: Yes if:
Before installing v2.03, verify your existing firmware.
On Windows:
On macOS:
2.03, you are up to date.On Linux:
Run lsusb -v | grep -i firmware after connecting the device. No if:
Upgrade to M1 Firmware v2