2 sims delivered. How do I know which is for which device

[Jqwertyuiop]

Hello I've had 2 sims delivered together in the same box....one for an iPad and one for a phone. Does it matter which is put in each device, and if so, how can I tell them apart? Thanks

[PandJ2020]

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@Jqwertyuiop wrote:
 Does it matter which is put in each device

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No.

and if so, how can I tell them apart? 

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When you activate each SIM you select the dataplan associated with it.