Cintex Wireless APN Settings 2026: The Right Profile for Your SIM

Your phone shows a strong signal. Calls go through. Texts go through. But web pages will not load, and picture messages sit there spinning.

Almost every guide you will find sends you straight to a settings table. I am going to ask you to wait about two minutes first, because there is something about Cintex that no other page explains – and it is the reason so many people type in a table, restart their phone, and end up exactly where they started.

Cintex Wireless does not use one network. It uses two. Some customers are on AT&T towers and some are on T-Mobile towers, and the two need completely different APN settings.

So this guide does two jobs. First it helps you find out which network you are actually on. Then it gives you the matching settings. That order matters more than anything else on this page.

First: three checks that take two minutes

Please do these before you type a single character. I have watched people spend an entire afternoon on APN settings when the real answer was one of these three.

1. Photograph your current APN screen

Before you change or delete anything, open your APN screen and take a picture of it with another phone or a camera. If a change makes things worse, you can put it back exactly the way it was. This is the single most useful habit in this whole guide, and it costs you ten seconds.

You will also need that screen in a moment, because what is written on it tells you which network you are on.

2. Check whether you have data left

This is the big one for Cintex customers. Cintex plans include unlimited talk and text, but the high-speed data amount is capped and it changes from state to state. When you use it all up, your internet stops – often in the middle of the month, with no warning message.

The phone gives you no clue that this has happened. You still have full bars, because bars measure your calling signal, not your data. So it looks exactly like a broken APN.

One reader called me convinced her phone had failed. Her internet had died on the 10th of the month and she had already tried four different settings tables she found online. Her data allowance had simply run out. Nothing she typed was ever going to bring it back before her next cycle started.

3. Restart the phone. Properly.

Not airplane mode. A full power off, wait ten seconds, power back on. A surprising number of data faults clear here, and every fix further down this page needs a restart afterwards anyway.

If all three checks come back clean and you still have no data, keep reading. Now an APN problem is genuinely likely, and we can fix it properly.

Why Cintex has two sets of settings

Cintex Wireless does not own any cell towers. It is what the industry calls an MVNO, which simply means it rents space on somebody else’s network. That part is normal – nearly every Lifeline company works this way.

What makes Cintex unusual is that it rents from two companies at once.

Cintex belongs to HTH Communications, a Houston company founded in 2008. HTH bought NewPhone Wireless in 2017, Cintex in 2019, AirVoice Wireless – the parent of AirTalk Wireless – in 2022, and TAG Mobile in 2023. Those brands share plumbing. And that plumbing runs over both AT&T and T-Mobile.

Inside the company these two options get short code names you may see on your paperwork or hear from an agent:

There is no single correct Cintex APN. There is a correct one for your SIM card. So let us find yours.

How to tell which network you are on

Three ways, from easiest to most certain. Any one of them is enough.

Method 1: Read the APN that is already on your phone

Go back to that screen you photographed. Look at the field labelled simply APN – not the name, the APN itself. Then match it here:

Method 2: Read the MMSC line

On the same screen, find the field marked MMSC. It is a web address, and the address itself gives the network away:

• Contains att.net → AT&T
• Contains t-mobile.com or mmsmvno.com → T-Mobile
• Contains vtext.com → Verizon

Method 3: Look at your network operator

On most Android phones, open Settings, then About phone, then SIM status or Network. On an iPhone, open Settings, then General, then About, and look at Network or Carrier.

Some phones name the tower operator outright. Others show a five or six digit number instead. That number is worth knowing how to read:

• 310280 or 310410 → AT&T
• 310260 or 310240 → T-Mobile

Still not sure? Call Cintex and ask one specific question: “Is my line GSMA or GSMT?” Agents recognise those two words even when they are not allowed to say “AT&T” or “T-Mobile” to you. It is the fastest way through the conversation.

Profile A — AT&T lines (Cintex’s own published settings)

These are the values Cintex APN settings. If your SIM is an AT&T SIM, this is the one to use, and it comes straight from the company.

Profile B — T-Mobile lines (the current one)

These are the standard T-Mobile values used across the HTH family of brands.

Profile C — T-Mobile lines (the older “wholesale” settings)

Older T-Mobile reseller lines used a different gateway, and some Cintex accounts are still on it. If Profile B does not work after a restart, try this one before you call anybody.

Two details that break more phones than anything else. First, “leave blank” is a real instruction, not a gap in the table – an empty field is a setting. Second, type the APN type with no spaces. default,supl,mms works. default, supl, mms does not, and one invisible space is enough to stop picture messages while leaving your web browsing perfectly fine. On many Samsung phones you will see a button marked Internet + MMS instead of a text box. Choose that.

How to enter the settings on Android

Menu names differ a little between brands, but the road is almost the same on every phone.

• Open Settings.
• Tap Network & Internet. On Samsung phones this is called Connections.
• Tap Mobile network or SIMs, then pick your Cintex line if you have two.
• Tap Access Point Names. On some phones it hides under Advanced.
• Photograph this screen now if you have not already.
• Tap the + sign or Add to build a brand new profile. Do not edit the old one — keeping it intact gives you something to fall back to.
• Enter your profile from above, exactly as written.
• Tap the three dots in the corner, then Save. A lot of people miss this step and lose everything they just typed.
• Go back to the list and tap the circle beside your new profile to switch to it. Saving it is not the same as selecting it.
• Turn the phone off and back on. Then open a website to test.

If the APN fields are greyed out and will not let you type, that usually means Cintex has locked them – which normally means they are already correct. Try turning airplane mode on and off, or look for Reset to default in the APN menu. Never install an app that promises to unlock APN settings, and never root your phone over this. Call Cintex and ask them to push the settings to your line instead.

iPhone: why the menu may not be there at all

If you have hunted for APN settings on an iPhone and found nothing, you are not doing it wrong. Apple allows carriers to hide that menu, and many of them do.

Apple’s own guidance is to look in one of two places:

• Settings, then Cellular, then Cellular Data Network
• Settings, then Mobile Data, then Mobile Data Options, then Mobile Data Network

If neither exists on your phone, Apple says to contact your carrier, and notes that with some carriers you cannot change these settings at all. That is normal. It does not mean your phone is broken or locked.

The detail that explains a lot of sudden breakdowns. Apple states that unless a special configuration profile is installed, updating iOS wipes any APN changes you made and puts the defaults back. So if you carefully typed settings in months ago and your data died right after a software update, now you know why. Do not just retype them – do the carrier settings update below first.

What to do on an iPhone instead, in this order

1. Get a carrier settings update. Connect to Wi-Fi, then go to Settings, General, About, and wait about thirty seconds. If an update is offered, accept it. This quietly fixes more data problems than anything else on this list.
2. Turn airplane mode on, wait thirty seconds, turn it off.
3. Reset network settings. Settings, General, Transfer or Reset iPhone, Reset, Reset Network Settings. This clears out stale carrier settings so the phone can set itself up again. It does not touch your photos, contacts, or messages – but it does forget your saved Wi-Fi passwords, so have those to hand.
4. Only then enter the settings by hand, if the menu exists.
5. Call Cintex and ask them to push your settings to the phone.

Picture messages still will not send

MMS – picture messages and group texts – is the fussiest part of any phone setup, and it often fails for reasons that have nothing to do with your APN. Work down this list in order.

• Mobile data must be switched on. On most Android phones, picture messages do not travel over Wi-Fi. If you keep data off to protect your allowance, MMS stops working. This is the most common cause by a wide margin.
• Check your messaging app’s own settings. Look for “Auto-download MMS” or “Auto retrieve” and switch it on.
• Try a different messaging app. Install any free texting app and send from there. If it works, the problem is your original app, not your phone.
• Restart after every change. MMS settings frequently do not take effect until the phone reboots.
• On an iPhone, open Settings, then Messages, and make sure MMS Messaging is switched on. If only group texts are failing, that is almost always the switch.

If sending works but receiving does not, or the other way round, that is worth a phone call rather than more fiddling.

Three problems no APN can fix

This is the section I wish more sites would write, because APN settings have become the answer people reach for when the real cause is somewhere else entirely.

1. Your phone and your SIM are on different networks

Because HTH brands hand out both AT&T and T-Mobile SIMs, there are customers walking around with a phone that was set up for one network and a SIM card for the other. Customers of AirTalk, Cintex’s sister brand, have reported exactly this after receiving a device and SIM that did not match.

The sign is that no profile works. Not Profile A, not B, not C. If you have tried all three properly, with a restart after each, stop typing and call. Ask them to confirm whether your device and your SIM are on the same network. That question is the one that gets it solved.

2. “IMS not registered” or calls failing

If your phone shows an error mentioning IMS, or you can use data but calls will not connect, that is a different fault altogether. IMS is the system that carries calls over the 4G network. Both AT&T and T-Mobile have retired their old 3G networks, so calls now depend on your line being switched on for VoLTE – sometimes labelled HD Voice – and on your handset supporting it.

You can check on most Android phones by dialling *#*#4636#*#*, choosing Phone Information, then IMS Service Status. If it says Not Registered, no APN setting will change that. It has to be switched on by Cintex, or your handset is too old to support it.

This matters most if you brought your own phone. If you are still choosing one, our guide to bringing your own phone to Lifeline covers how to check compatibility before you commit, and our device guide lists handsets that work properly on both networks.

3. Your benefit has been switched off for non-usage

Federal rules require Lifeline customers to actually use the service. Go thirty days in a row without using it and your provider must send a notice giving you fifteen more days to act. If you still do not use it, the benefit ends and you have to apply again.

A call, a text, or using mobile data all count. Ignoring an automated call from your carrier does not. If your service went quiet after a spell of not using the phone, this is the likely cause – and reapplying is the fix, not new settings.

One more worth ruling out: your yearly recertification. Every Lifeline customer has to confirm their eligibility once a year, and missing that deadline switches the benefit off without warning. Our recertification guide explains how to check whether yours is overdue.

If your account has moved to AirTalk Wireless

Cintex is being merged into AirTalk Wireless. Both brands sit under HTH Communications, so this is a normal business change and not a scam – but it matters here for one practical reason.

Applicants are routed between HTH’s brands depending on which states each one covers. Someone who applied at the Cintex website can end up with an account under AirTalk or NewPhone Wireless instead, and never really register that it happened. The good news is that the profiles above cover all of the HTH brands, because they share the same two networks.

Getting help from Cintex

I will be straight with you: reaching a person is the weakest part of Cintex’s service, and their public review scores reflect it. That is not a reason to give up, but it is a reason to be strategic. Call early in the morning, call from a second phone if you have one so you are not tying up the line you are trying to fix, and send one email as well so there is a written record with a date on it.

When you get through, do not ask “what are my APN settings?” Ask this instead:

“Is my line GSMA or GSMT, and can you push the data settings to my phone?” That single sentence gets you both halves of the answer, and it tells the agent you already know how their system works.

Nobody should ever charge you for this

APN settings are free. Calling 611 from your Cintex phone is free. Every value on this page is free.

If anyone asks you to pay a fee, buy a gift card, download a paid “data unlock” app, or hand over your bank details to get your internet working, that is a scam and you should walk away. Our guide to spotting Lifeline scams covers the common ones, and you can always confirm that a company is a real, approved Lifeline provider using our provider verification guide.

Frequently asked questions

APN values, phone numbers, plan allowances, and network assignments change, and some details vary by state and by device. Always photograph your existing settings before changing them, and confirm current details with Cintex customer service. This guide is independent information, not official communication from Cintex Wireless, AirTalk Wireless, the FCC, or USAC.