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Galaxy S21 Ultra 5G

100GB Data

Unlimited Minutes

Unlimited Texts

24 months

Three Network

PLUS

Faster Speeds with 5G

Free Roaming in 71 Worldwide Countries

Tether Your Devices to Surf On The Go

Use Your Phone on the London Underground

Three Advanced 100GB £52 (24mths)

Contract
Sim Free price

In Stock

Order within the next 00h 00m 00s to get FREE delivery tomorrow.

Faster Speeds with 5G

Faster Speeds with 5G

5G is here on Three, bringing you incredible data speeds, a smoother experience when gaming and video calling, and a more reliable data connection in busy places like the football and festivals. Three has launched 5G in a load of busy towns and cities up and down the UK. See our Help Centre for the full list. Note: When you leave a 5G location, your 5G mobile will automatically switch to 4G or 3G, then back to 5G when it's available.

Free Roaming in 71 Worldwide Countries

Free Roaming in 71 Worldwide Countries

Use your minutes, texts and data when you’re on holiday in one of the qualifying 71 countries. Whether you’re sending emails from the beach in Spain, or updating your Facebook status in the USA, you can carry on using your mobile like you’re at home.

Use Your Phone on the London Underground

Use Your Phone on the London Underground

With access to WiFi on the London Underground, you can continue using your phone on the commute, checking Facebook and replying to emails, rather than getting cut off as soon as head down the escalators.

These charges are applicable only when you exceed what is included in your tariff.

Calls to UK Mobiles p/m 65p
Calls to Landlines p/m (numbers starting with 01, 02 or 03 excluding Jersey, Guernsey, Isle of man) 65p
Calls to Jersey, Guernsey & Isle of man p/m 46p
Data Bundles from £2.50
Text Messages p/msg N/A
MMS Messages p/msg 65p
Calls to Voicemail p/m 65p
0800 and 0808 Calls p/m £0.00
Customer Service Calls p/m 35p
0500 Number Calls p/m £0.00
084, 087, 09 and 118 Access Charge p/m 65p
070 non-mobile Maximum Charge p/m £1.22 per call plus 85.5p per minute
Calls to certain MVNO's p/m 65p
Service Numbers

Calls to service numbers (starting 084, 087, 09 and 118) aren’t included in your plan allowance. There will be two charges on your bill, made up of an Access Charge that's charged by the network as pence per minute, and a Service Charge that's charged by the organisation you called. You will be charged the Access Charge for a minimum of 1 minute and then per second for the rest of the call.

Roaming Charges

Additional charges will apply to calls made while roaming outside of the EU/EEA. Customers on EE will also be charged £2 per day for roaming inside the EU. Vodafone Basics SIM plans are UK use only and do no support roaming.

Full Samsung Galaxy S21 Ultra 5G 128GB Specification

Headphone Jack: via USB Type-C
Display Size: 6.8-inches
Samsung Pay: Yes
In-display Fingerprint Scanner: Yes
RAM: 16GB
Chipset: Exynos 2100
Operating System Version: Android 11
Operating System: Android
Network Bands: GSM / CDMA / HSPA / EVDO / LTE / 5G
Box Content: USB Type-C data cable, Ejection pin, Quick Start Guide
Extra Features: Fingerprint (under display, ultrasonic), accelerometer, gyro, proximity, compass, barometer, Samsung DeX, Samsung Wireless DeX (desktop experience support) ANT+, Bixby natural language commands and dictation
Display Refresh Rate: 120Hz
Display Pixel Density: 516 PPI
Display Resolution: 1440 x 3200 pixels
Display Definition: Quad HD+
Display Technology: 2 x Dynamic AMOLED
Audio Features: 32-bit/384kHz audio, Tuned by AKG
IP Rating: IP68
GPS: Yes
Bluetooth: Yes
NFC: Yes
WiFi: Yes
Camera Resolution: Quad 108MP + 10MP + 10MP + 12MP
Front Camera Features: PDAF, LED flash, auto-HDR, panorama
Video Camera Resolution: 8K
Front Camera Resolution: 40MP
Camera Features: LED flash, auto-HDR, panorama
Fast Charging: Yes
Charging Port: USB Type-C
Battery Capacity: 5000 mAh
Virtual Assistant: Google Assistant

All pay monthly offers subject to security and credit check. Charges will apply for paper billing. Charges may also apply for non-Direct Debit payment. Promo codes cannot be used in conjunction with any other offer.

RPI Price Increase - Your monthly price plan charge will increase every year in May by the rate of most recently published RPI. Other prices, such as call charges and roaming costs, may also go up during your plan. Three monthly price includes £5 discount for paying by direct debit.

Roaming - Three Advanced customers can use their allowance in 49 EU destinations, as well as 22 extra countries including the USA, Australia, New Zealand and more. A Fair Usage Policy for data abroad applies. If your domestic data allowance is greater than 12GB, you will be subject to a fair usage policy of 12GB whilst you are roaming in the network's Europe Zone: this means you can use a maximum of 12GB from your data allowance while roaming.

Data Speeds - Advertised 4G speeds are available in selected areas. Exact speed depends on location and number of users. Check coverage using the link in the shopping basket before buying.

Allowances - Use your allowance to call/text UK mobiles and landlines starting 01, 02 and 03 when in the UK or EU/EEA; to call/text EU/EEA mobiles & landlines when roaming in EU/EEA (outside UK); Jersey, Guernsey & Isle of Man treated as EU/EEA. Out of allowance calls to these numbers cost 65p/min. Data allowance can be used in UK & EU/EEA. Data fair use policy may apply in EU/EEA. Deposit needed for roaming in limited circumstances. Calls to 084, 087, 09 & 118 numbers are not included; you'll be charged an Access Charge of 65p/min plus the applicable service charge. If you call a 070 you'll be charged up to 75p/min. Personal use only.

Cashback - Unless otherwise stated, cashback incentives are provided by ourselves and not the Network provider or third-party. Full details are in our T&Cs.

Products - All products bought on our website are provided by ourselves, not the network, and are subject to our full T&Cs.

RPI+/CPI Price Increase - Each year, your Pay Monthly airtime tariff will be adjusted according to a Fixed Annual Price Change (Three), RPI+ (O2) or Consumer Price Index (EE, Vodafone) rate of inflation. Your bill will be adjusted in March (EE) or April (O2, Three, Vodafone) by 4.5% (Three), or the rate announced in January (EE, Vodafone) and February (O2) that year (plus 3.9% on EE, O2, Vodafone).

* Next-day delivery subject to availability and acceptance. 1-month free insurance subject to opting into mobile phone insurance, cancel any time.

All pay monthly offers subject to security and credit check. Charges will apply for paper billing. Charges may also apply for non-Direct Debit payment, unless on the EE network. Promo codes cannot be used in conjunction with any other offer.