# SUS06-BP04 Use managed device farms for testing
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 Managed device farms spread the sustainability impact of hardware manufacturing and resource usage across multiple tenants. Managed device farms offer diverse device types so you can support older, less popular hardware, and avoid customer sustainability impact from unnecessary device upgrades. 

 **Level of risk exposed if this best practice is not established:** Low 

## Implementation guidance
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 Test using managed device farms with representative sets of hardware to understand the impact of your changes, and iterate development to maximize the devices supported. 

## Resources
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 **Related documents:** 
+  [What is AWS Device Farm?](https://docs.aws.amazon.com/devicefarm/latest/developerguide/welcome.html)