RAINBOW-V5164 Firmware URL： click to download（Compressed package contains: firmware, PC upgrade tool）

Rainbow-V5164 firmware update instructions

V5164 version upgrade instructions (compared to the previous official version V4759)
This update requires a new APP to work properly because the protocol interface has been changed. Before updating, please install the new version of the Ink Assistant APP

1. connection mode: new active switch switch mode, you can use switch mode in the PC (press and hold the A key to boot into)
2. Simulation of body sensing: optimization of body sensing control, now body sensing and joystick can work at the same time (to produce superposition effect, the practicality and ease of use of simulation of body sensing significantly improved)
3. analog body: new horizontal direction of the left and right inversion (after the inversion of the perspective control and hand gyroscope control similar)
4. joystick: new custom control of joystick response curve, can be customized to set the desired curve (need to set in APP)
5. trigger: new fast trigger, greatly optimizing the response speed of fast click (need to be set in APP)
6. key: view key and menu key are added to the alteration settings