putting as band 1 and band 3 does not go in 4g+

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I use this router 4g+ wiyh sim windtre , the windtre the different bands and frequecies , a the band 1,3,7,20 , if put as dual band 7,1 3,20 7,3 1,20 , but if I put 3,1 does not accept it for what...

download firmware BETA Firmware 1.1.0 0.9.1 v0001.0 Build 201204 Rel.66940n tanks

then to solve the problem of messages that you do not read I solved with the beta 1.1.0 0.9.1 v0001.0 Build 201204 Rel.66940n , this beta was the recommended one , with this beta version I read the...

@Manuele find the same problem with the latest update of the router , I receive messages but I do not see them , what does it depend on ?