Hello! I have an iPhone 5S running ios 8.1.1. Some weeks ago I've changed my carrier contract to be able to use 4G network. The problem is that almost every time I turn screen back on, I have to deactivate cellular data and reactivate it, or do the same with airplane mode because, even if it shows me that it's connected, it won't load any web page and it won't even send any SMS. In the past week I used it only on 3G and everything works fine, but when I change to 4G the problem appears again. What could cause this issue?
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4G connectivity issue
- Thread starter cosste
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