How to Fix Failed to sign in Please check your network connection

website operette__message_t=connectionerror&m=errorcode%3ainvalidslot hello guys i was just browsing on my phone just a while ago but suddenly an invalid slot error appeared so i had to use my desktop anyone operette__message_t=connectionerror&m=errorcode%3ainvalidslot I am getting error messages also when: in extreme mode; single column view; on sim card Error code: invalid slot all sites,

operette__message_t=connectionerror&m=errorcode%3ainvalidslot I am getting error messages also when: in extreme mode; single column view; on sim card Error code: invalid slot all sites,  Your browser can't play this video Learn more  Impossible to get Opera up and running on Nokia The message I receive is Failed to connect to the internet Go to help So can someone

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