Why CN900 Become White Screen

Two reasons may cause the CN900 become white screen

Reason 1:

When CN900 no need to update but you press Update button.

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After you Update button within 10 seconds you do not return back to the main menu

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After 10 seconds then the screen became white

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Reason 2:

When CN900 need to update and During waiting for CN900 updating then power off.

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After power off then again you connect with power therefore CN900 became white screen:

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