BHM-88 Firmware Update Logs

Mar 26, 2026

💡 Upgrade Tips

🔋 Battery Check: Ensure your BHM-88 has at least 30% power before starting to avoid interruption.
📲 Stable Connection: Connect to HT App and follow prompts. DO NOT disconnect during the process to avoid system failure.
🔄 Re-Link Device: After update, disconnect from HT App and re-pair with your radio to sync.

BHM-88 FIRMWARE CHANGELOG

Jump to Version: V0.3.7 | V0.3.6 | V0.3.5 | V0.3.4

Version 0.3.7 (Build 55)

Release Date: 2026-03-26

GPS Fix

Fixed an issue where GPS latitude and longitude were not saved correctly when they were negative values (affects devices with GPS module and display).

Version 0.3.6 (Build 54)

Release Date: 2026-03-26

PTT	Added YAESU mode support for the PTT function and PTT mode switching option in the main menu.
System Fix	Fixed device settings corruption due to array bounds access error. Resolved issues with abnormal floating-point number printing.

Version 0.3.4 (Major Release)

Release Date: 2025-06-18

🚀 New Features:

Area Name & Satellite Mode Support
Language & Time Zone Sync
Frequency Offset Modification
Speaker icon visual indicator

🎮 UI & Navigation:

Channel/VFO toggle via Up/Down buttons
Main/Sub channel switch (Right Soft Key)
Fixed edited frequency saving issues

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