https://ecs7.tokopedia.net/img/cache/750/attachment/2018/4/1/2762063/2762063_93ed407c-1092-4e06-8bc8-e3e0bfef040d.jpeg mau nanya gan,ini kenapa ya AW saya mentok di os 3.0 mau update ke 4.3 ga bisa padahal iphone udah 11.2.6 gan,mohon pencerahannya... thank you :)