Samsung Galaxy A18 4G 100GB Data Deals

Samsung Galaxy A18  4G 100GB Data

Colours

■ Black
■ Blue
■ Silver

Storage

■ 128GB

The cheapest contract deal today is £10.99 a month with a £79 upfront cost, with a 24-month contract term. The total, including all airtime and device payments and in-contract price increases, is £375.96. The plan comes with 150GB data on iD Mobile.

The cheapest contract deal today is £10.99 a month with a £79 upfront cost, with a 24-month contract term. The total, including all airtime and device payments and in-contract price increases, is £375.96. The plan comes with 150GB data on iD Mobile.

123 / 123 deals
Device
Features
Data (GB) : 100+
Great if your needs are higher than average. Lots of video, hours of music.
Upfront (max) : ANY
Monthly (max) : ANY
Networks
Retailer
Contract
Cashback
Options
Samsung Galaxy A18  4G 128GB Silver

24 Months

128GB

Silver

150GB

Data

Unlimited

Unlimited

£10.99 a monthUntil 31 March 2027
£79 upfront£375.96total

Monthly payment will increase to £12.79 on 1 April 2027. Then to £14.59 on 1 April 2028.

Use code: SAVING10 (£10 off)
Samsung Galaxy A18  4G 128GB Blue

24 Months

128GB

Blue

150GB

Data

Unlimited

Unlimited

£10.99 a monthUntil 31 March 2027
£79 upfront£375.96total

Monthly payment will increase to £12.79 on 1 April 2027. Then to £14.59 on 1 April 2028.

Use code: SAVING10 (£10 off)
Samsung Galaxy A18  4G 128GB Black

24 Months

128GB

Black

150GB

Data

Unlimited

Unlimited

£10.99 a monthUntil 31 March 2027
£79 upfront£375.96total

Monthly payment will increase to £12.79 on 1 April 2027. Then to £14.59 on 1 April 2028.

Use code: SAVING10 (£10 off)
Samsung Galaxy A18  4G 128GB Blue

24 Months

128GB

Blue

150GB

Data

Unlimited

Unlimited

£13.99 a monthUntil 31 March 2027
£9 upfront£385.96total

Monthly payment will increase to £15.79 on 1 April 2027. Then to £17.59 on 1 April 2028.

Use code: CASH2 (£2 off)
Samsung Galaxy A18  4G 128GB Black

24 Months

128GB

Black

150GB

Data

Unlimited

Unlimited

£13.99 a monthUntil 31 March 2027
£9 upfront£385.96total

Monthly payment will increase to £15.79 on 1 April 2027. Then to £17.59 on 1 April 2028.

Use code: CASH2 (£2 off)
Samsung Galaxy A18  4G 128GB Silver

24 Months

128GB

Silver

150GB

Data

Unlimited

Unlimited

£13.99 a monthUntil 31 March 2027
£9 upfront£385.96total

Monthly payment will increase to £15.79 on 1 April 2027. Then to £17.59 on 1 April 2028.

Use code: CASH2 (£2 off)
Samsung Galaxy A18  4G 128GB Silver

24 Months

128GB

Silver

100GB

Data

Unlimited

Unlimited

£10.99 a monthUntil 31 March 2027
£79 upfront£385.96total

Monthly payment will increase to £12.79 on 1 April 2027. Then to £14.59 on 1 April 2028.

Samsung Galaxy A18  4G 128GB Black

24 Months

128GB

Black

100GB

Data

Unlimited

Unlimited

£10.99 a monthUntil 31 March 2027
£79 upfront£385.96total

Monthly payment will increase to £12.79 on 1 April 2027. Then to £14.59 on 1 April 2028.

Samsung Galaxy A18  4G 128GB Blue

24 Months

128GB

Blue

100GB

Data

Unlimited

Unlimited

£10.99 a monthUntil 31 March 2027
£79 upfront£385.96total

Monthly payment will increase to £12.79 on 1 April 2027. Then to £14.59 on 1 April 2028.

Samsung Galaxy A18  4G 128GB Blue

24 Months

128GB

Blue

100GB

Data

Unlimited

Unlimited

£13.99 a monthUntil 31 March 2027
£9 upfront£387.96total

Monthly payment will increase to £15.79 on 1 April 2027. Then to £17.59 on 1 April 2028.


Price History

Today's best total contract cost of £375.96 is the lowest we've tracked.

(Prices tracked since 26 September 2026.)

Overview

Release Date
26 September 2026
Galaxy A18 4G has Dual SIM and a 50MP primary camera, a 13MP selfie camera with a 6.7in full-HD display. It features 4GB of RAM and 128/256GB of storage with Micro SDXC card.

Tech Specs

Display Size
6.7"
Screen Type
Super AMOLED
Resolution
1080 x 2340
Chipset
Exynos 1610
Battery
5,000 mAh
Dimensions
164.4 x 77.9 x 7.7 mm
Weight
192 grams
Rear Camera
50 Megapixels
Front Camera
13 Megapixels
SIM Type
nano-SIM and e-SIM
Wi-Fi
802.11 a/b/g/n/ac
Bluetooth
5.3 with A2DP, LE
Connectivity
Up to 4G

Frequently Asked Questions

What type of deal do I need?

Contracts
Contract deals are meant for new customers switching from a different network. We currently have 123 new customer contracts for 100GB Data Samsung Galaxy A18 4G. Starting from £10.99 per month with an upfront cost of £79.00 with a 24-month contract term on iD Mobile. If you stream, hotspot or use lots of data, compare unlimited data contracts for Samsung Galaxy A18 4G. If you'd prefer not to pay anything upfront, no upfront cost contracts are available from £20.99 per month.

Can I save money by buying Samsung Galaxy A18 4G outright with a cheap SIM?

Yes - buying outright with a cheap SIM saves you £59.36 over 24 months.

  • SIM-free route: £247.00 handset + cheapest 1GB SIM at £2.90/mo = £316.60
  • Cheapest contract: £375.96

How about buying outright, but with an equivalent SIM-only plan?

Once you match the cheapest contract's 150GB data, the contract comes out ahead - by £157.84 over 24 months.

  • Contract deal: £375.96
  • Buy outright: £247.00 handset + the closest equivalent 180GB SIM at £11.95/mo = £533.80

Is Samsung Galaxy A18 4G available free on contract?

Contracts with no upfront cost are available from £20.99 per month and 100GB data. The total cost is £546.96, which is £171.00 more than the cheapest overall contract.

Can I keep my number?

To keep your number when switching to a new contract, text PAC to 65075 from your current SIM to receive a PAC code valid for 30 days. If you enter this code during checkout, your new network will manage the switch. The switch will occur the next working day, automatically ending your old contract.

Check out our Definitive PAC Code Guide for everything you need to know - common mistakes, tips, and FAQs.

How do I order?

After you choose the plan with the features that suit you best, click the "Get Deal" button on the deal card. You'll be transferred to the retailer's website where you can place your order. Any personal details you enter will handled by that retailer and will be processed based on their privacy policy - we don't see or process your data.

As a price comparison service we receive data feeds directly from our partered retailers. We try to ensure all prices and plan benefits are correct, but please check the full details of the deal you add to the basket before ordering as errors in our data feeds may occasionally occur.