Meanwhile: Aurora OS leaked
Aurora OS (Russian: ОС Аврора) or Russian Open mobile platform (OMP) is a Russian Linux-based smartphone operating system developed by Rostelecom for business and governmental use
On June 11, 2024, the X user hackerfantastic leaked copies of Aurora OS v. 3.2.1.65, 4.0.2.82 and 4.0.2.249 that were "coming from a phablet left on the back of a bus in Salisbury, England". In the same post he also revealed a vulnerability in the password manager
https://twitter.com/hackerfantastic/status/1800570095619784865
Aurora OS was branched from Sailfish OS in 2019 - In 2018, the Russian state applied for a secure mobile phone operating system for official use and Sailfish Mobile OS RUS was chosen and Rostelecom developed it further. In 2019, the platform was renamed Aurora OS
In November 2021, according to Nokiamob.net, there were around 400,000 devices using it.