Again iam facing fast charging problem now only charging fast charging not working last time service center replaced charging port why is this happening again 

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Now I am facing new problem while my phone is in charging usually its shows time now it stopped showing time at that time charging symbol showing but it won't charge what may be reason due to lockdown I may not able to went service center 

After using of 7 months my phone isn't charging in fast charging it shows blue color notificationsNow it's showing in black color notifications & charging time increase what was the problem is cable or charging pin problem