If you send statistics to this bot, then it will save them. See deltachat/deltachat-android#2909.
To install, open your terminal and run:
pip install git+https://github.com/deltachat/self_reporting_bot.git
Configure the bot:
self_reporting_bot init [email protected] PASSWORD
Start the bot:
self_reporting_bot serve
Run self_reporting_bot --help
to see all available options.