T-Mobile APN Settings in 2026: fast.t-mobile.com and MMS Values
The T-Mobile APN is fast.t-mobile.com. T-Mobile’s own support page lists it for internet and picture messaging, with the MMSC http://mms.msg.eng.t-mobile.com/mms/wapenc. Phones sold by T-Mobile set this up automatically, so you only need to enter it by hand on an unlocked or imported phone, after a SIM swap, or when data or picture messages stop working.
In a hurry? Jump to: Android Setup · iPhone Setup · Full APN Value Table · Hotspot · Is There a Separate 5G APN? · Troubleshooting · Common Mistakes
Why Your APN Setting Actually Matters
An Access Point Name tells your phone how to talk to T-Mobile's data network — which gateway to use, how to authenticate, and how to route MMS. On phones bought directly from T-Mobile, this is provisioned automatically over the air. But if you're using an unlocked Android device, an imported phone, an old device with a stale profile, or you swapped SIMs between carriers, the APN can be missing, wrong, or left over from your old carrier — and that's when data or MMS breaks.
Configuring T-Mobile APN Settings on Android
The general path below applies to most Android phones running Android 12 through Android 16, but the exact menu wording differs by manufacturer skin — see the brand-specific notes underneath if the generic path doesn't match your device.
- Open Settings on your device.
- Tap Connections (or Network & Internet on Pixel/stock Android).
- Tap Mobile Networks.
- Select Access Point Names.
- Tap the three-dot menu and choose Reset to Default — this clears out any bad or leftover APN from a previous carrier.
- If a working T-Mobile APN doesn't appear, tap + to add a new one and enter the values from the table below.
- Tap the three-dot menu again and select Save, then make sure the new APN is selected (radio button/checkmark next to it).
- Restart your phone or toggle Airplane Mode off and on so the new profile registers with the network.
Brand-Specific Menu Paths
Manufacturer skins bury this screen in slightly different places. If step 2 above doesn't match what you see, use these instead:
| Manufacturer | Path |
|---|---|
| Samsung (One UI) | Settings > Connections > Mobile Networks > Access Point Names |
| Google Pixel | Settings > Network & Internet > SIMs > [carrier name] > Access Point Names |
| Motorola | Settings > Network & Internet > Mobile Network > Advanced > Access Point Names |
| OnePlus (OxygenOS) | Settings > Wi-Fi & Network > SIM & Network > Access Point Names |
| Nokia / TCL / Alcatel / REVVL | Settings > Network & Internet > Mobile Network > Access Point Names (near-stock Android layout) |
If the Access Point Names option is greyed out entirely, your SIM slot isn't recognized as active yet — reseat the SIM or confirm the eSIM profile installed correctly before continuing.
Configuring T-Mobile APN Settings on iPhone
On modern iPhones (iOS 15 and newer), APN settings are usually auto-populated the moment you insert an activated T-Mobile SIM or eSIM — you typically won't need to touch this screen at all. If data or MMS isn't working, here's how to check or reset it:
- Go to Settings > Cellular (or Settings > Mobile Data).
- Tap your T-Mobile line, then tap Cellular Data Network (this option only appears once an active SIM is detected).
- Under Cellular Data, confirm the APN field reads fast.t-mobile.com.
- Under MMS, confirm the APN is the same, and that MMSC, MMS Proxy, MMS Max Message Size, and MMS UA Prof URL are filled in using the values in the table below — a blank UA Prof URL is a common reason picture messages fail on manually configured iPhones even after the APN itself is correct.
- If fields are blank or wrong, enter them manually using the values in the table below, then restart the phone.
If auto-configuration isn't kicking in at all, a full network settings reset usually fixes it: go to Settings > General > Transfer or Reset iPhone > Reset > Reset Network Settings. This also clears saved Wi-Fi passwords and Bluetooth pairings, so only use it if manual APN edits don't help.
Full T-Mobile APN Value Table (Android & iPhone)
These are the current values for a manual APN entry in 2026. Leave any field not listed blank — do not fill it with your own guess.
| Field | Value |
|---|---|
| Name | T-Mobile |
| APN | fast.t-mobile.com |
| Proxy / Port | Leave blank |
| Username / Password | Leave blank |
| MMSC | http://mms.msg.eng.t-mobile.com/mms/wapenc |
| MMS Proxy / MMS Port | Leave blank (some device profiles use proxy 216.155.165.50, port 8080 — only add this if MMS still fails with the field blank) |
| MMS Protocol | WAP 2.0 |
| MMS UA Prof URL (iPhone) | http://www.apple.com/mms/uaprof.rdf |
| MMS Max Message Size (iPhone) | 1048576 |
| MCC | 310 |
| MNC | 260 (T-Mobile says not to edit MCC or MNC unless it tells you to) |
| Authentication Type | None |
| APN Type | default,supl,mms (some device profiles ship with the longer default,supl,ia,mms,xcap — either is correct; don't switch just because a screenshot online shows the other one) |
| APN Protocol | IPv4/IPv6 (a minority of device profiles use IPv6 only — try IPv4/IPv6 first) |
| APN Roaming Protocol | IPv4 by default on most confirmed device profiles; switch to IPv4/IPv6 only if you regularly roam on international networks and lose data |
| Bearer | Unspecified |
Personal Hotspot / Tethering APN
T-Mobile’s current data-settings page lists one APN, fast.t-mobile.com, and no separate hotspot APN. If the phone has data but a hotspot-connected device does not, check the plan’s hotspot allowance and that Personal Hotspot is turned on before touching the APN. Some third-party guides mention pcweb.tmobile.com as a tethering APN for certain plans; T-Mobile does not list it, so only try it if T-Mobile support tells you to.
Fallback SMS / MMS Settings
- SMS Email: 10digitmobile@tmomail.net
- SMS Center: 1-206-313-0004
- Email center: 500
- Voicemail: 1-805-637-7243 (1-805-MESSAGE)
Note: older guides list epc.tmobile.com as a “non-LTE” APN. T-Mobile’s current support page lists only fast.t-mobile.com, so use that.
Is There a Separate APN for 5G or 5G Standalone?
No. T-Mobile’s support page lists a single APN and none specific to 5G, 5G Standalone (SA) or 5G Ultra Capacity. fast.t-mobile.com is the APN T-Mobile lists for internet and picture messaging, whichever network generation you are on. If your phone shows a 5G icon but data still won't load, the APN is not the cause — check the VoLTE/VoNR toggle and SIM status covered below instead.
Troubleshooting: APN Set Correctly But Still No Data or MMS
- Delete competing APNs. If more than one APN profile exists on the device (common after a SIM swap), old entries can conflict with the correct one. Delete anything that isn't the T-Mobile profile you just created.
- Check for hidden characters. A stray trailing space in the APN or MMSC field — easy to add by accident when copy-pasting — will silently break the connection. Retype the fields instead of pasting when possible.
- Confirm VoLTE/VoNR is turned on. On Android this is usually under Settings > Connections > Mobile Networks (or a dedicated "VoLTE calls" toggle); on iPhone it's Settings > Cellular > Cellular Data Options > Voice & Data. A correct APN with VoLTE/VoNR disabled can still cause calls to fail or data to feel unreliable on 5G Standalone networks.
- Confirm mobile data is toggled on and that Data Roaming is enabled if you're outside your home coverage area.
- Restart after every change. APN edits often don't take effect until the radio re-registers with the network — a reboot or an Airplane Mode toggle forces this.
- Reset network settings as a last resort before contacting support — this clears every custom network profile and forces a clean re-provision. Use the brand-specific paths above to find the reset screen if it isn't where you expect.
- Verify SIM and plan status. If you still have zero signal after a clean APN and reset, the issue is more likely a bad SIM, an unpaid balance, or a device that isn't compatible with T-Mobile's bands — not the APN.
Common Mistakes When Setting Up T-Mobile APNs
- Filling in the Proxy, Port, or Username fields "just in case." T-Mobile's APN doesn't use them for the primary profile — leaving them populated with garbage data can block the connection entirely.
- Assuming 5G needs its own APN. It doesn't — see the section above. Creating a second "5G APN" profile just adds a conflicting entry.
- Adding a “hotspot APN” first. T-Mobile lists one APN. If tethering alone fails, check the plan and the Personal Hotspot toggle before adding a second profile.
- Not deleting the old carrier's APN after switching to T-Mobile — the phone can default back to the wrong profile.
- Skipping the restart. Saving the APN isn't enough on most Android skins; the radio needs to reconnect from scratch.
- Leaving iPhone MMS UA Prof URL blank after a manual entry — MMS can fail silently even with a correct MMSC and APN.
How We Verified These Settings
The APN, MMSC, SMS email, SMS center, email center and voicemail values above match T-Mobile’s “T-Mobile data & APN settings” support page, checked in October 2026. T-Mobile also says most phones configure themselves and that you should edit an APN only with values your carrier gives you. T-Mobile does not publish MCC, MNC, APN type, protocol or iPhone MMS fields on that page, so those rows are the usual values for T-Mobile profiles and can differ by device. We did not test these steps on a handset for this update.
Bottom Line
For most phones, the fix is one line: set the APN to fast.t-mobile.com, leave the optional fields blank, and restart. T-Mobile lists a single APN, with nothing separate for 5G, and iPhones need two extra MMS fields (UA Prof URL and Max Message Size) that are easy to miss. If you are still stuck after a clean reset and a VoLTE/VoNR check, the problem is usually the SIM, the plan or device compatibility, and that is when to call T-Mobile support. Using another carrier? See our Boost Mobile APN guide and Cricket Wireless APN guide, or the Samsung Galaxy A15 5G review if you are shopping for a phone.
Frequently Asked Questions
What is the correct T-Mobile APN in 2026?
The APN is fast.t-mobile.com, the value on T-Mobile’s own data-settings support page, with MMSC http://mms.msg.eng.t-mobile.com/mms/wapenc. Phones sold by T-Mobile set it automatically.
Is there a different APN for T-Mobile 5G or 5G Standalone?
No. T-Mobile’s support page lists one APN and none specific to 5G. If your phone shows 5G but data won’t load, the APN is unlikely to be the cause, so check VoLTE/VoNR and SIM status instead.
What APN does T-Mobile use for Personal Hotspot or tethering?
T-Mobile’s data-settings page lists no separate hotspot APN. Check that Personal Hotspot is on and that your plan includes hotspot data first. Some third-party guides mention pcweb.tmobile.com, but T-Mobile does not list it, so only try it if T-Mobile support asks you to.
Why is MMS not sending on my iPhone even though the APN is correct?
Manually configured iPhones often need more than the MMSC field. Set MMS UA Prof URL to http://www.apple.com/mms/uaprof.rdf and MMS Max Message Size to 1048576 in addition to the MMSC and APN — a blank UA Prof URL is a common, overlooked cause of failed picture messages.
Do I need to manually set up my T-Mobile APN?
Usually no. Most phones auto-provision the correct APN when you insert an activated T-Mobile SIM or eSIM. Manual setup is mainly needed for unlocked or imported phones, or after switching from another carrier's SIM.
I entered the APN correctly but still have no data. What now?
Delete any other APN profiles on the device, confirm VoLTE/VoNR is enabled, restart your phone, and confirm mobile data and data roaming (if applicable) are turned on. If it still fails, try a full network settings reset, and if that doesn't help, the issue is likely your SIM or plan status rather than the APN.
Does the T-Mobile APN work for MVNOs like Metro or Mint Mobile?
Not necessarily. Other carriers that use T-Mobile’s network publish their own APN values, so use the settings from your carrier’s support page rather than T-Mobile’s.
Where do I find the APN reset option on Samsung, Pixel, or Motorola phones?
Samsung: Settings > Connections > Mobile Networks > Access Point Names. Pixel: Settings > Network & Internet > SIMs > [carrier] > Access Point Names. Motorola: Settings > Network & Internet > Mobile Network > Advanced > Access Point Names. Each has a reset-to-default option in the three-dot menu.
