When I using my samsung A70. I have a net balance. All of my apps and webpages not opening properly because my internet problem. Then I discussed coustmer service center. He give guidance Kindly follow these steps:
go to Settings < Connections < Mobile Networks < Access Point Names < Click on "JAWALNet" < Click on APN < Type "Jawwy" I followed this guidelines Then switch off and On My problem is clear.