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Dr. Md Rushad Rahman
এমবিবিএস(আরপিএমসি)
,
পিজিটি(মেডিসিন)
Please identify if it is a dead pixel or a stuck pixel. Dead pixel: probably just black. Stuck pixel: it is either one or two of the sub pixels is working [R,G,B] or just white. Also, know if your phone is still on the warranty period. If it is a stuck pixel you can fix it by using some apps that you can download, or if you are using Samsung just dial *#0*#. If it is a dead pixel it is hard to solve that problem because you can pay for it to be fixed but sooner or later it will show again.
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