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The Tecno Y3s Android smartphone was released by Tecno in April 2015.

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Second Sim slot not activate

The Techno Y3s was manufactured by Techno for Safaricom Kenya. It has a second sim slot which you can only see after you remove the back cover. However it is not activated. How can i activate it to use a second sim?

Thanks

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I don't know how to do this,may you please help me?

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