Spark core has a problem connecting to WIFI

I have a spark core which has problem connecting, to the WiFi network. It keeps flashing green, also tried replacing the WiFi router both are 802.11bgn. Also tried connecting different Cores, same problem with each also tried.

What i would do is to perform a CC3000 patch first.

See: [Spark core] Common issues

If there are multiple cores not connecting, make sure channel is lesser than 11 and try b/g only.

I googled around and already tried flashing CC3000, which is dated at 06-2014. Is there any newer version of this patch. My WiFi channel is 2.

Try using b/g only.

Hey, Using only b/g did the trick.
Thank You

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