Lark 150 Firmware Upgrade Tutorial Hollyland Tech August 25, 2022 03:01 Updated Updates: Added 【Phone Mode】 for optimal mobile phone audio recording experience. 【Phone Mode】The audio output gain will be changed to 13 automatically after you select this mode, meanwhile the function of HPF will be activated(Minus 75Hz) Improved charging logic, and fixed existing charging bugs. Enabled 【MacOS】 for future firmware upgrades. Download Path: V18.104.22.168 Notice: For firmware versions lower than 22.214.171.124, please upgrade to 126.96.36.199 first. Uprade Guidance: Lark 150 V188.8.131.52 Guidance; (Long press the mute button of RX when RX, TX is in the box to check the firmware version, long-press again to check the detail version of the TX and RX) Unzip the upgrade files to the C Drive of your PC; Do not take the Transmitter or the Receiver out of the Case during the update. Do not disconnect the USB cable during the update; Long press the left button on the Receiver to switch among the existing four modes: Phone Mode, Stereo, Mono, and Safe Track; This update is for Windows 10 or the latest OS only. Mac users may need software support to install the Windows 10 on Mac and complete this upgrade. Steps: Driver InstallationOpen the folder 1-Drive and select the correct drive for your system: Upgrade Process 2.1 Open the folder 【2-Upgrade】 and Run the software 【6901_upgrader.exe】 2.2 Click 【Refresh】 and wait till the device is connected. Then Select 【Upgrade】, the system will upgrade automatically. 2.3 The upgrade is completed when the battery display of the Receiver screen turns to normal. Video Tutorial: Related articles How to connect the Lark150 to the smartphone and audio devices? How to Pair the Transmitter and Receiver? How to use the three Record Modes? How to set them up when multiple sets of lark 150 are used at the same place? How to contact Hollyland Support Team? Comments 0 comments Article is closed for comments.