Asda Mobile 50% Off Voucher Codes — September 2026

18 active offers available for Asda Mobile

150Off

Samsung

Top Pick

150 Pounds Off the Samsung Galaxy S26 Ultra at 1549

The S26 Ultra comes down from 1,699 to 1,549 pounds, the biggest single saving Asda Mobile currently runs. The reduction is applied automatically at checkout, so there is nothing to enter. Handsets here are sold outright rather than on a contract, which is why the ticket price is the whole cost.

Expires: 8 September 2026

104Off

iPhone

104 Pounds Off the Apple iPhone 17 Pro Max at 1095

The iPhone 17 Pro Max drops from 1,199 to 1,095 pounds with no code needed. Asda Mobile take the same 104 pounds off across the whole iPhone 17 line rather than one storage size, so the saving holds whichever capacity you pick.

Expires: 26 September 2026

104Off

Apple

104 Pounds Off the Apple iPhone 17 Pro Across Every Storage Size

The 256GB falls from 1,099 to 995 pounds, the 512GB from 1,299 to 1,195 and the 1TB from 1,499 to 1,395. Because the discount is a flat 104 rather than a percentage, the cheapest model gets the largest proportional cut. Applied automatically at checkout.

Expires: 26 September 2026

100Off

Galaxy

100 Pounds Off the Samsung Galaxy S26 Plus at 1169

The S26 Plus reduces from 1,269 to 1,169 pounds. It sits between the standard S26 and the Ultra on both screen size and battery, and the same hundred pounds comes off it as off the base model, which narrows the gap between the two. No code required.

Expires: 8 September 2026

100Off

S26

100 Pounds Off the Samsung Galaxy S26 at 779

The standard S26 comes down from 879 to 779 pounds, the largest percentage cut of the three S26 models at over eleven percent. Bought outright with no contract attached, so it works with any SIM only plan on the site. Reduction applied at checkout.

Expires: 8 September 2026

100Off

Tablet

100 Pounds Off the TCL NXTPAPER 14 Tablet at 299.99

The NXTPAPER 14 falls from 399.99 to 299.99 pounds, a quarter off. Its matte paper style display is the point of difference against a normal tablet, being easier on the eyes for long reading. Part of the current back to school run.

Expires: 6 September 2026

50%Off

Students

Up to 50% Off Asda Mobile SIM Only Plans for Students

Students can take up to half off selected one month, twelve month and 24 month SIM only plans. Verify through UNiDAYS or Student Beans first and they issue a personal code to enter on the Asda Mobile student page. This is the only offer on the site that uses a code at all, and it is unique to you rather than shared.

Expires: Limited Time Offer

70Off

Rugged

70 Pounds Off the JCB Toughphone E10 at 229.99

Badged as a Rollback, the JCB Toughphone E10 drops from 299.99 to 229.99 pounds. A ruggedised handset makes sense on a building site or a farm where a normal phone would not survive the year. Price cut applied automatically.

Expires: 15 September 2026

50Off

Rollback

50 Pounds Off the TCL A1 Plus at 209.99

Another Rollback line, down from 259.99 to 209.99 pounds. It sits at the budget end of the handset range and the fifty pounds is close to a fifth off. Sold outright with no contract, so pair it with the five pound SIM plan for the cheapest way onto the network.

Expires: 6 September 2026

30Rewards

Cashpot

30 Pounds Back in Your Asda Rewards Cashpot on the 100GB Plan

Take the 100GB 24 month SIM plan at 17 pounds a month and thirty pounds lands in your Asda Rewards Cashpot after two bill payments. You need a linked Asda Rewards account and to be a new customer, 18 or over, UK only. The Cashpot spends in Asda stores rather than against the phone bill.

Expires: Limited Time Offer

30Off

Budget

30 Pounds Off the TCL K70 SE at 99.99

The K70 SE comes down from 129.99 to 99.99 pounds, bringing a working smartphone under a hundred. At this end of the market the saving is nearly a quarter of the price. Rollback pricing, applied automatically.

Expires: 6 September 2026

20Off

TCL

20 Pounds Off the TCL TAB 10L Tablet at 119.99

The TAB 10L reduces from 139.99 to 119.99 pounds. It is the cheapest tablet Asda Mobile stock and suits a child or a kitchen screen rather than serious work. Note this is the shortest running of the current price cuts, so check it is still live before ordering.

Expires: 31 August 2026

5%Monthly

Cashback

5% of Your Monthly Bill Back in Asda Rewards Every Month

Eligible pay monthly SIM plans return five percent of the bill to your Asda Rewards Cashpot each month, for as long as you stay. On a 17 pound plan that is a little over ten pounds a year, spendable on the weekly shop. Your Asda Rewards account has to be linked for it to accrue.

Expires: Limited Time Offer

19Unlimited

Monthly

Unlimited Data SIM for 19 Pounds a Month on 24 Months

Unlimited data with unlimited minutes and texts costs 19 pounds a month on a 24 month plan, against 22 on both the one month and twelve month versions, so the longer term saves three pounds every month. Asda Mobile run on Vodafone and guarantee no mid contract price rises, so that figure holds for the full term.

Expires: Limited Time Offer

5Sim

Monthly

SIM Only Plans From 5 Pounds a Month With Unlimited Calls and Texts

The 3GB plan costs five pounds a month on every term length, one month, twelve or 24, with unlimited UK minutes and texts included. There are no contracts and no credit checks on the shorter plans. The 10GB sits at seven pounds on 24 months and 25GB at thirteen.

Expires: Limited Time Offer

FreeSim

Delivery

Free SIM Card With Free First Class Delivery

SIM cards cost nothing to order and ship first class at no charge, so you only pay for the plan you choose. That makes it free to try the network before moving your number across. No minimum spend and no delivery charge at any basket size.

Expires: Limited Time Offer

0%Interest

Free

0% APR Interest Free Payments on Asda Mobile Handsets

Handsets can be spread over PayPal Pay in 3 or Pay in 4, or over twelve or 24 months, all at zero percent APR with no interest and no fee. On the iPhone 17 Pro that works out at 82.92 a month over twelve or 41.46 over 24. The total paid is the same as the cash price.

Expires: Limited Time Offer

NoPrice

Rises

No Mid Contract Price Rises With Rollover Data and 5G Included

Asda Mobile hold the monthly price for the whole contract rather than raising it each April, which is what most networks now do. Unused data rolls into the following month, and 5G is included at no extra cost on every plan. Those three together are usually worth more over two years than a headline discount.

Expires: Limited Time Offer

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