in Germany, the Telco's gave up locking the phones in 2017. Because it was to expensive. I can not remember if it was a hard lock - as in any other sim card is blocked or just their additions to the OS. bought a phone in 2017/early 2018 - Xperia 10, where on the boot screen a Deutsche Telekom logo appears but otherwise the OS unaffected by vendor edits/additions. But updates are really slow since they go through Telekom instead of directly from sony which is already slow.
in Germany, the Telco's gave up locking the phones in 2017. Because it was to expensive. I can not remember if it was a hard lock - as in any other sim card is blocked or just their additions to the OS. bought a phone in 2017/early 2018 - Xperia 10, where on the boot screen a Deutsche Telekom logo appears but otherwise the OS unaffected by vendor edits/additions. But updates are really slow since they go through Telekom instead of directly from sony which is already slow.