8227 20240718 version software issues update points:
1. Solve the problem of cold start probability of Lingdongwei JCMM MCU after sleeping for more than 1 day;
2. Solve the problem of abnormal power loss program loss during Lingdongwei JCMM MCU upgrade;
3. Solve the problem of occasional automatic disconnection of AndroidAuto wireless connection;
4. Add dual knob UI related display;
5. Adapt to Polish display;
6. 963 large board adapts to new MCU model 8T7;
7. Adapt to 960*480 resolution screen;
8. Adapt to WD in-cell touch screen driver.
8227 20240523 version software issues update points:
1. Solve the problem of individual Carplay disconnection;
2. Solve the problem of no sound on individual motherboards of 8229E/E2A/D series;
3. Solve the problem of occasional touch freeze;
4. Solve the problem of slow access to Google Store/YouTube and improve the YouTube playback speed;
5. Solve the problem of no memory in radio storage/sleep/power off;
6. Solve the problem of BT button not working when there is CPLINK;
7. Solve the problem of Bluetooth music/local music crosstalk;
8. Solve the problem of occasional restart after waking up from sleep of Lingdong Micro MCU;
9. Add protocol unconnected and connected prompts;
10. Add Yealink automatic activation function;
11. Add full screen and non-full screen optional functions of vertical screen AUX interface;
12. The protocol is updated to version 20240516
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8227 20231023 version software update points:
1. Built-in complete protocol package
2. Built-in new version MCU program to avoid related problems caused by mismatch between system version and MCU version (MCU upgraded version is 20230601)
3. Enhanced 1080P camera compatibility;
4. The touch screen power button function is changed to long press and turn off the panel light at the same time
5. Update the domestic public version instruction manual
6. Add Slovak language