Nokia 5530 received a firmware update today to version 20.0.080. Changes in the update are unknown. The update can be obtained through Nokia Software updater software for windows. The update is around 140MB. OTA(Over The Air) updation can also be done. The update size is only 17MB over the air The phone will preserve your data as it has UDP(User Data Prevention). But there is no harm in creating a back up and is also recommended. If you have found any change do share is here.