When i installing super su app after rooting it shows that"verification failure"

[XDA Visitor]

When i installing super su app after rooting it shows that"verification failure"

When i installing super su app after rooting it shows that"verification failure" "signature failure". WHY?
my device is samsung s7562
i insatllled "Superuser-3.1.3__46___-efghi-signed_Final" .
it is also having wifi problem.

 

[OfficerJimLahey]

When i installing super su app after rooting it shows that"verification failure" "signature failure". WHY?
my device is samsung s7562
i insatllled "Superuser-3.1.3__46___-efghi-signed_Final" .
it is also having wifi problem.

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