Hota D6 Pro Firmware Update
If you are within warranty, some RC retailers (GetFPV, RaceDayQuads, HobbyKing) will flash the latest firmware for a small fee (~$10 plus shipping). This is the safest but slowest option.
Very early D6 Pro units had a microSD slot behind the left rubber grip. You could copy the .hfw file to an SD card, insert it, and the charger would auto-flash on boot. Check your unit—if no slot, you must use USB. hota d6 pro firmware update
One of the major selling points of the D6 Pro is its ability to handle High Voltage Lithium (LiHV) batteries. These cells can be charged to 4.35V per cell rather than the standard 4.20V, offering a slight bump in capacity and punch. However, charging them requires precision. Recent firmware updates have refined the cut-off voltages and termination currents for LiHV modes, ensuring that users don't accidentally overcharge standard LiPos when switching modes, and that LiHVs are balanced perfectly to that higher threshold. If you are within warranty, some RC retailers
: A highly requested feature that allows the charger to automatically start a new task when a battery is plugged into a channel without requiring manual button presses each time. You could copy the
A: Hota does not have a fixed schedule. Check every 6–12 months. The last major update as of 2025 is v1.1.5.
The D6 Pro is a powerful charger, and pushing it to its 500W+ limits generates heat. Firmware updates often tweak the thermal throttling curves. This ensures that the internal cooling fan ramps up appropriately to protect the MOSFETs and internal components from overheating, preventing the charger from shutting down prematurely during a high-speed charge session.
Follow these steps carefully, as the timing of the power connection is critical: Check Current Version : Long-press the scroll wheel, navigate to System Info , and note your current firmware version (e.g., 1.0.50). Open HTLoader : Run the application and click to select your downloaded firmware file. Connect Micro-USB