[SOLVED] AT&T WiFi Calling Unlocked Phone

All in all, owing to its utility in communication, a lot of phone owners nowadays make use of WiFi calling. By taking advantage of WiFi calling, people should be able to contact each other even in areas with poor reception. Usually, activating WiFi calling on modern phones is a simple affair that requires just a bit of time and effort. However, the activation process may still experience issues which is why topics such as AT&T WiFi calling unlocked phone capture the interest of many.

WiFi Calling Not Working: Causes And Solutions 

AT&T Wifi Calling Not Working - Simple Steps to Fix it

So you like using AT&T but for some reason, you cannot activate the WiFi calling service of the mobile carrier on your unlocked phone? Then it’s strongly recommended that you take a close look at this article. Down below is an in-depth troubleshooting guide that contains everything you must know about WiFi calling acting up.

What Might Have Gone Wrong

Generally speaking, unlocked phones could develop a number of oddities in use but regarding WiFi calling not working, you should keep these possibilities in mind.


Despite excellent optimization, today’s phones including unlocked ones nonetheless run into bugs every now and then in the course of operation. Most bugs prove to be mere inconveniences that vanish as time passes by but some stick around and interfere with various functions. Hence, if you have trouble using the WiFi calling service that AT&T provides on your unlocked phone, you need to give bugs some thought. Assuming that you manage to free your phone of bugs, you would be able to use WiFi calling at will.


In layman’s terms, WiFi calling is a feature that relies on wireless connections so settings that handle wireless connections dictate its performance. If settings on your phones permit wireless connections, you could reach out to your contacts via WiFi calling with relative ease. On the other hand, if your phone shuts off wireless connection owing to the way you configure its settings, WiFi calling should be unavailable. Thus, in articles that cover AT&T WiFi calling unlocked phone, settings pop up from time to time.


For your information, mobile carriers charge calls made using WiFi calling at the same rate as ordinary ones. As a result, the balance of your plan plays a key role in deciding whether calls would go through. If the balance is sufficient to support phone calls, activating WiFi calling is just a walk in the park. However, if the balance of your plan is too low, you cannot use WiFi calling unless you put in more money.


As the name suggests, WiFi calling requires WiFi networks to establish a link between callers and receivers. Because of that, the router is one of the top suspects once it comes to WiFi calling issues on unlocked phones. In the case that there is nothing out of the ordinary on your phone, you must take the router into account while troubleshooting WiFi calling. Unless the router returns to normal, it’s impossible to use WiFi calling to make phone calls


The router for the local WiFi network is up and running but WiFi calling remains out of order? Then there is a chance that your area is having a service outage at the moment. Similar to other carriers, AT&T set up multiple contingencies to ensure that its service is up around the clock. Nonetheless, service outage still occurs on occasions which prevent people from using WiFi calling until the carrier takes action.

Getting WiFi Calling Working Again: Advice

Different problems need different fixes. That being said, if you happen to be in a hurry, you may want to try out the following to restore the performance of WiFi calling.


Capable of addressing quite a few errors on unlocked phones, restart is the first solution that experts recommended in most troubleshooting guides. By restarting your device a couple of times, you could get rid of the bugs that plague its functions without much difficulty. Depending on the model, you should be able to perform a restart via either software options or physical buttons. In any case, to protect the integrity of components, avoid restarting your phone in quick succession.

Assess The Phone Settings

  • In the beginning, go to WiFi calling setting to see if it’s enabled (Settings > Networks & Internet > Mobile network > Advanced > Wi-Fi Calling).
  • Next, since WiFi calling requires WiFi, make sure that your phone allows WiFi connection (Settings > Networks & Internet > WiFi).
  • It’s a good idea to give Airplane Mode a look as well since it disables all wireless connections of the device once enabled (Settings > Networks & Internet > Airplane Mode).
  • Last but not least, to be through, disable mobile data (Quick access panel > Mobile data).

Check Out The Balance 

Open the Phone app, dial *225#  then press the Call button. After a few seconds, you would receive a message that tells you the balance of your plan. If your plan is nearly out of money, top it up to regain the ability to make phone calls. That is going to put an end to your issue with AT&T WiFi calling unlocked phone.

Examine The Router 

Considering the delicate construction of routers, it won’t take much to damage them and disrupt wireless networks in the process. That is why you should inspect the router if your unlocked phones refuse to turn on WiFi calling out of the blue. If the extent of damages is small, you could conduct repair but if the router sustains extensive damages, get a replacement. Since the cost of routers is reasonable, there is no need to make too many calculations to squeeze one into the spending plan.

Get In Touch With AT&T

Frustrated by the fact that no matter what you do, you cannot get WiFi calling to work? In that case, the service in your area may be down for the time being and the result is communication blackout. To be sure, contact the customer service of AT&T to get answers to your questions. At least, you would be able to get an estimate on when service becomes available again.


Female Hands Typing Message Smartphone, Stock Footage Video (100% Royalty-free) 1012235744 | ShutterstockWhat is the quality of calls made via WiFi calling?

Your experience with WiFi calling depends a lot on the wireless networks you use. If you choose a strong WiFi network that only a couple of devices use, the quality of your calls should be excellent. Still, if your network is straining to support multiple phones at the same time, expect the quality of calls to vary. For optimal results, it’s essential to pay special attention while choosing between WiFi networks in your vicinity.

Is it possible to trace people that use WiFi calling?

On WiFi networks with advanced encryptions, tracing calls made via  WiFi calling is out of the question. That being said, if you connect your phone to public networks that have less than ideal security, others could use exploits to intercept your calls. Thus, don’t initiate connection unless you know for certain that the network you choose is secured. Of course, you always have the option of using VPN to minimize the risk of compromise.

Do all carriers support WiFi calling?

Major carriers including AT&T, T-Mobile, Verizon, Sprint, … support WiFi calling so you don’t have to worry about getting particular SIM cards. However, since several phones lack WiFi calling compatibility, check the owner’s manual to determine if your device supports WiFi calling.