SMARTY APN Settings UK 2026 MVNO
SMARTY is a UK MVNO owned by Three, offering no-contract SIM-only plans with data rollover. The APN is simply smarty — no credentials required. SMARTY uses Three's 4G and 5G infrastructure. Despite being a Three subsidiary, SMARTY has its own distinct APN gateway.
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SMARTY APN Settings — Internet Data
Type each value into the APN profile exactly as shown, since one stray space stops it working.
| Field | Value | |
|---|---|---|
| Name | SMARTY Internet | |
| APN | smarty | |
| Username | Leave blank | |
| Password | Leave blank | |
| MMSC | http://mms.smartymobile.co.uk:10021/mmsc | |
| MMS Proxy | 212.137.86.109 | |
| MMS Port | 8799 | |
| MCC | 234 | |
| MNC | 20 | |
| APN Type | default,supl | |
| APN Protocol | IPv4/IPv6 |
SMARTY MMS Settings (SMARTY APN Settings UK 2026 MVNO)
For picture messages to work, add a separate MMS APN profile or include mms in the APN Type field.
| Field | Value | |
|---|---|---|
| APN | smarty | |
| MMSC | http://mms.smartymobile.co.uk:10021/mmsc | |
| MMS Proxy | 212.137.86.109 | |
| MMS Port | 8799 | |
| MCC | 234 | |
| MNC | 20 | |
| APN Type | mms |
Android Setup — SMARTY
- Open Settings › Connections › Mobile Networks.
- Tap Access Point Names.
- Use + to set up a new APN profile.
- Set APN: smarty. Leave Username and Password blank — SMARTY uses an open APN.
- Set MCC: 234, MNC: 20, APN Type: default,supl.
- The three-dot menu (⋮) leads to Save; tap the radio button afterward to activate.
- A restart or Aeroplane Mode toggle applies the new settings.
- Open Settings › Network & internet › SIMs.
- Tap your SMARTY SIM › Access Point Names › +.
- Enter APN: smarty. Leave Username and Password blank — SMARTY uses an open APN.
- Once saved and activated, toggle Aeroplane Mode to reconnect.
- Open Settings › Mobile Network › Access Point Names.
- Add a new APN with APN: smarty and all values from the table above.
- Once saved, select as active, then restart the device.
SMARTY on iPhone
SMARTY iPhones receive APN settings via the carrier bundle — manual entry is not available on iOS. If data is not working:
- Install any carrier update found via Settings › General › About.
- Toggling Aeroplane Mode for 15 seconds — on, then off — usually clears it.
- Ensure Cellular Data is enabled.
- Restart the iPhone fully.
- If still failing: Contact SMARTY via the SMARTY app or on 0333 777 1777.
Parent Network: Three (SMARTY APN Settings UK 2026 MVNO)
SMARTY is owned by Three and uses Three's towers. The APN is smarty — distinct from Three's three.co.uk. Both are open APNs requiring no credentials, but they route through different gateways.
Compare with parent network settings: Three APN Settings →
Troubleshooting SMARTY Data
- Toggle Aeroplane Mode for 15 seconds to force network re-registration on Three's infrastructure.
- Restart the phone for saved APN settings to take effect.
- Verify the APN reads exactly smarty — no spaces, no http://, no extra characters.
- Leave username and password blank, since this APN is open.
- Reset network settings and start the APN over if nothing else has resolved it.
- Contact SMARTY support: Contact SMARTY via the SMARTY app or on 0333 777 1777.