Issue with conference call

Please tell us some basic information before asking for help:
- Model Name: 5z
- Firmware Version:...92_20200715
- Rooted or not: not
- Frequency of Occurrence: every time
- APP Name & APP Version (If your issue relates to the app): Asus Phone app
In addition to information above, please also provide as much details as you can, e.g., using scenario, what troubleshooting you've already done, screenshot, etc.
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The App get stucked whenever we try to add a call to an existing ongoing call.
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Comments
Hi there, we'd request you to send us a video of the issue so that we can understand the issue better. Thank you.
We'd request you follow the below steps:
1. Clear system cache.
2. Try the same under safe mode:
Hold the power button for 5 seconds => When the screen flashes with option => Press & hold power option => You will get an option to restart in safe mode