Why does the message "Installing system update" appear when I turn off the projector?

09-16-2025

Due to occasional memory anomalies within the Android operating system, it's important to perform regular optimizations to keep our product running smoothly. It is designed to perform regular optimizations from the latest firmware. 

There are two scenarios that initiate the system update:

1. Auto update: The automatic update will be triggered at the shutdown
    following 100 hours of Equivalent Light Hours. During the update, a 'system
    update' spinning circle will appear on the screen. The update takes
    approximately 3 to 6 minutes, and the device will automatically shut down
    once the update is complete.

2. Manual update: The force update will be triggered by a SOP in the below
    link.

  During the update, a 'system update' spinning circle will appear on the
  screen. The update takes approximately 3 to 6 minutes, and the device will
  automatically turn on once the update is complete.

 

The update count (100 hours) will reset and start counting again after either 2 update methods.

Applicable Models

W4000i

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