Honor Magic 4 can be set to slow charge by following the steps:
1. Open the phone Settings app.
2. Swipe to the bottom, find the \"Battery\" option and tap it.
3. In the battery Settings screen, find the \"Charge\" option and tap it.
4. In the charging Settings screen, find the \"Charging Mode\" option and click on it.
5. In the charging mode option, select Slow Charge mode.
After completing the above steps, your Glory Magic 4 will be charged in slow charge mode. Note that slow charge mode may take longer to charge, but can help extend battery life.
Regarding this issue, Honor Magic 4 can set the phone to become slow charge by following the steps:
1. Go to Settings and click the \"Battery\" option.
2. Click Battery Optimization.
3. Click Power Management.
4. Click \"Slow Charge Mode\".
5. Enable Slow Charge Mode.
6. After confirmation, the phone will enter the slow charge mode, the charging speed will be slower, but the battery life can be extended.
Note: Charging in slow charge mode will take a long time, it is recommended to use when you do not need to quickly full charge.