New Patreon Tier and Early Access Content available. If you would like to support AVForums, we now have a new Patreon Tier which gives you access to selected news, reviews and articles before they are available to the public. Read more.
Maybe it needs resetting. I have to do that about once a week because I live right on the coast.
Switch the phone off and remove the sim card. Leave it off for about 10mins, then switch it on without the sim card in, leave it for about another 5-10 minutes, then switch off again and put the sim card back in and try it then. Adverse weather conditions can cause network problems.