A case that fits poorly may accidentally compress these buttons, forcing the device into Download Mode during a restart.
If you did not intend to flash firmware, you can usually exit this screen without losing any data. . To exit, use the following force-restart methods: android blue download screen
If the Android operating system fails to load due to a software error or failed update, the phone may default to this screen as a fail-safe. How to Safely Exit the Download Screen A case that fits poorly may accidentally compress