[Pablo26centimetros]

Hello good, I have a my 9t and the 4g + I do not use the operator tuenti and I am in Buenos Aires Argentina and also where I am located there is coverage, I have the APNs well configured and branded the 4g preferably, the strange thing is that I take out the chip and I tried it on a Samsung A50 and it works best on the Samsung, can someone help me or tell me what the problem is please, thanks.