Recently, I have bought a new iPhone 6S and it is amazing for ease operation, wonderful interface and startling running speed. But some annoying issues remain in some aspects, and one of them is the seemingly random inability to access the cellular data network. I don't sure about if this is an AT&T problem or an iPhone problem, but it really makes you crazy when I cannot access to 3G/4G/LTE service. After doing some researches in Google and forums concerned, I found the common suggestion is to reset the iPhone Network Settings, then I tried this way according to their instructions, luckily it worked! It's easy and worth your effort, today I will show you how to do, hope can help you genuinely!
PS:By using the reset network settings, an effective option to solve network related issues, you can fix all these problems by simply resetting the network settings of your iPhone as it will clear all the network settings, current cellular network settings, saved Wi-Fi network settings, Wi-Fi passwords, and VPN settings and bring back your iPhone Network Settings to factory default.
When you find the the network on your iPhone quit working, then the very first thing you should do is to reset network settings on iPhone. By resetting iPhone network, the problem might be solved successfully. And it doesn't require you any techniques to do the resetting, but 4 simple steps. Keep patience. It will take one or two minutes to complete the task. Then the iPhone will reboot with default network settings.
Step 1. Tap the Settings app on your iPhone.
Step 2. Tap General.
Step 3. Scroll down to find Reset and tap it.
Step 4. In the new window, select Reset Networking Settings and confirm the action.
Sometimes even though you don't change any settings on your iPhone, the network might not work neither. If it happens, don't take your iPhone directly to a local repair store, because you might fix it by yourself. Below are some tips and tricks for how to make it work when your iPhone network quit working.
A good number of iPhone users face difficulties with Wi-Fi connectivity after upgrading to the latest iOS 9.0 from the older iOS version. Those who installed new iOS also face the same problem too. If it happens, follow the above mentioned steps to reset network settings on your iPhone and then try to connect with Wi-Fi again.
Sometimes iPhone takes longer time to search for a network or sometimes show no service. To solve this problem first turn on the airplane mode and then turn it off after a few seconds. If it does not solve the problem then perform "Reset Network Settings." Resetting the network settings will surely fix the "No Service" issue.
If you are facing problems connecting to a specific Wi-Fi network then first select that network from the list and click forget. Then search for the network. Enter network password if needed. If problem exists then, do a Reset Network Settings. After rebooting the iPhone, connect to the Wi-Fi network.
reset network settings iphone
Sometimes the Setting menu is not responding as well as the complete iOS. A hard reset can fix the problem. You can do so by going to Settings > General > Reset > Reset All Settings > Reset all Settings.
Sometimes iPhone users cannot make or receive calls with their iPhone. It happens when the airplane mode accidentally turned on. Turning it of will fix the problem. But if the airplane mode does not cause the problem a reboot may solve the problem. If problem exists then perform "Reset Network Settings" and it will solve the problem.
Some say that iMassage is not working and even it doesn't let them turn it off. So they reset the network settings to fix the problem and iPhone stuck in the half way of booting for hours. To solve problems with applications like iMassage do a hard reset by selecting Reset All Setting in the reset menu instead of doing Reset Network Settings.
Sometimes iPhone users experience problems with their computer. It shows a warning that the iPhone cannot sync due to connection to the iPhone was reset." A Reset Network Settings in the iPhone and a computer reboot will solve the problem.
Sometimes, due to accidentally reset, some data including photos, contacts, messages, notes, call history, calendar... from your iPhone may get lost. What a nightmare it is! Do you know how to retrieve lost data from iPhone? Indeed, restoring your iPhone with created iTunes or iCloud backup is a convenient and free way to recover lost iPhone data, while it also has some serious disadvantages like: You have made an iTunes or iCloud backup in advance; Once restored your iPhone with an iTunes or iCloud backup, all the contents on your iPhone will be replaced by the contents in the backup.
Good news to you, here I will introduce a more available way using a iOS data recovery software - iRefone for Mac, which is an easy-to-use data recovery that helps recover deleted or lost data whatever the reasons and whatever iOS device you're on. With it, you can recover deleted or lost contacts from iPhone, text messages, call history, notes, as well as calendars etc. even without any iTunes or iCloud backup. If you are a Windows user, you can turn to its equivalent Windows version iRefone for help.