Xiaomi phones reboot randomly

• /e/ version: 0.9-2020051454091

• Device model: Xiaomi Redmi Note 7 Pro

• When it started to occur: Since installation (August 2019)

• Reproducible with the last /e/ version: On latest version available

• Reproducible with LineageOS: Unknown but probably

Summary

When the phone loses connectivity to the mobile data provider the phone reboots. The phone reboots occassionally when it is not possible to determine whether connectivity to mobile data was lost.

• The device is unusable
• [x ] The bug is the source of a data loss or a big waste of time
• The bug concerns a third party app
• The bug concerns security
• The bug concerns privacy

The problem

Steps to reproduce

I can reproduce the error in 2 ways:

1. Simply move the phine to my office where there is no mobile connection and the phone will reboot.
2. Navigate to settings > Network & Internet > Mobile network > Advanced. The untick automatically select network. At this point the phone will freeze and then reboot. After reboot the automaticaly select network option is ticked.

What is the current behavior?

Phone freezes, then reboots.

What is the expected correct behavior?

Phone should not reboot when searching for other mobile networks

Technical informations

Relevant logs (adb logcat)

Relevant screenshots

Solutions

Workaround

turn on Aeroplane mode.

Possible fixes