48 Community

How do I get iPhone 6 s to show 4g . When I put Vodafone sim in 4g , when I put 48 sim in it show lte , how do I get it to 4g ??

i cant log into 48 app . on my phone . i restarted phone , uninstalled and installed app. it wont work , just get unkown error message.can log in on web version . contacte 48 on twitter they were no help . any ideas anyone ?/ can it be fixed ???