Problems trying to share mobile network on my device topic

Hi all, i've been trying to search on google but without any luck, so i came here trying to be helped :p

The thing is: I can't get wifi hotspot working every time I turn that option ON my mobile data get's disconected and starts saying activating... and never gets connected again BUT if i turn wifi hotspot off it gets connected a few seconds before. People can get conected trough my wifi network but with no internet on it...

Happy new year by the way :p

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