Firmware & Downloads
Keep your Liter cable up to date. Firmware updates are installed through the VOLT-LITER desktop app — download a package below and the app handles the rest.
Firmware
Software & Tools
Soon
Latest firmware
v2.4.0
Stable
PD 3.1 fixed-voltage handshake refinements for 240W laptops
New device profiles for late-2025 and 2026 USB-C displays
SmartShield thermal curve recalibration — cooler sustained charging
Reduced idle chip draw by 12% when unplugged
Fixed rare renegotiation loop with some 65W GaN chargers
Released 14 Sep 2026
File
liter-v2.4.0.zip
Size
4.2 MB
Requires
Desktop App v2.0+
Download firmware (latest)
Previous versions
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