永佳新单2.4G对码版本：1.2.4G单模合入测试模式，左中右上电进入测试模式；2.优化固件。
Review Request #1312 — Created Aug. 10, 2020 and updated — Latest diff uploaded
| Information | |
|---|---|
| chenjianrong | |
| YC1021S | |
| Reviewers | |
| huxin, mengmeishan | |
1.2.4G单模合入测试模式，左中右上电进入测试模式；2.优化固件。
Review Request #1312 — Created Aug. 10, 2020 and updated — Latest diff uploaded
| Information | |
|---|---|
| chenjianrong | |
| YC1021S | |
| Reviewers | |
| huxin, mengmeishan | |
1.2.4G单模合入测试模式，左中右上电进入测试模式；2.优化固件。