# Fading Bug
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* 10 devices in test setup
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* 10 devices in test setup
* 2 devices were affected by the bug
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### Findings:
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* shutdown bug
* 2.3.17 is missing the workaround
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* shutdown bug
* 2.3.17 is missing the workaround
* problem with modem timeout
* timeout shortly after resending a packet
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* shutdown bug
* Fixed in 2.5.1
* problem with modem timeout
* Can't occur in 2.5.1
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# Whats next?
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* updated test setup to 2.5.1
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* updated test setup to 2.5.1
* keep monitoring
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