Update takes verly long time if the screen is off on A/B devices

• /e/ version: FP3 alpha
• Device model: FP3
• When it started to occur: From the alpha test
• Reproducible with the last /e/ version: I dont know
• Reproducible with LineageOS:

Summary

In the alpha test from april to may, each FP3 update took a very long time (up to two hours) when the screen was off. Whenever the screen was tapped and not turned off, it took less than 15 minutes.

• The device is unusable
• 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

Install FP3 test or alpha

Update takes hours when screen is off

After download press install, put the phone on the table and drink a coffee, after then the phone should be updated.

Technical informations

Relevant logs (adb logcat)

Relevant screenshots

Solutions

Workaround

Possible fixes