Phone number unknown in Settings

• /e/ version: 0.16-q
• Device model(s): h850

Summary

Settings > About phone > Phone number says Unknown on correctly working phone device

The problem

Steps to reproduce

Check

• Settings > About phone > Phone number

What is the current behavior?

Says Unknown

What is the expected correct behavior?

User shall see their phone number.

Technical informations

Relevant logs (adb logcat)

Relevant screenshots

Solutions

Workaround

Possible fixes