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ASDA Mobile SIM only deals

Asda Mobile has SIM only deals on 12-month and 24-month contracts, plus unlimited data options, all running on the Vodafone network.

What contract lengths does Asda Mobile offer on SIM only deals?

Asda Mobile offers SIM only plans across a range of terms, including 12-month and 24-month contracts as well as unlimited data options.

Shorter terms give you more flexibility, while a longer 24-month deal usually brings the monthly price down, so you can pick the balance that suits you.

Can I keep my current number when I move to Asda Mobile?

Yes. Text 'PAC' to 65075 to get your porting code from your old provider, then give it to Asda Mobile when you activate your new SIM.

Your number will usually transfer across within one working day, and Asda Mobile runs on the Vodafone network so you'll be using Vodafone's coverage.

Our top pick
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Unlimited speed

ASDA mobile Unlimited Data 24-month SIM

Data
Unlimited
(Unlimited speed included)
Allowances
Unlimited minutes
Unlimited texts
Contract
24 months
Total cost: £456
Price
£19per month
100084
Get deal
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Unlimited speed

ASDA mobile Unlimited Data 1-month PAYG SIM

Data
Unlimited
(Unlimited speed included)
Allowances
Unlimited minutes
Unlimited texts
Contract
1 month
Price
£22per month
Get deal

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Unlimited speed

ASDA mobile Unlimited Data 12-month SIM

Data
Unlimited
(Unlimited speed included)
Allowances
Unlimited minutes
Unlimited texts
Contract
12 months
Total cost: £264
Price
£22per month
Get deal
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Unlimited speed

ASDA mobile 100GB 12-month SIM

Data
100 GB
(Unlimited speed included)
Allowances
Unlimited minutes
Unlimited texts
Contract
12 months
Total cost: £144
Price
£12per month
Get deal
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Unlimited speed

ASDA mobile 100GB 24-month SIM

Data
100 GB
(Unlimited speed included)
Allowances
Unlimited minutes
Unlimited texts
Contract
24 months
Total cost: £288
Price
£12per month
Get deal
logo
Unlimited speed

ASDA mobile 100GB 24-month SIM

Data
100 GB
(Unlimited speed included)
Allowances
Unlimited minutes
Unlimited texts
Contract
24 months
Total cost: £408
Price
£17per month
Get deal
logo
Unlimited speed

ASDA mobile 100GB 12-month SIM

Data
100 GB
(Unlimited speed included)
Allowances
Unlimited minutes
Unlimited texts
Contract
12 months
Total cost: £216
Price
£18per month
Get deal
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Unlimited speed

ASDA mobile 80GB 24-month SIM

Data
80 GB
(Unlimited speed included)
Allowances
Unlimited minutes
Unlimited texts
Contract
24 months
Total cost: £228
Price
£9.50per month
Get deal
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Unlimited speed

ASDA mobile 80GB 12-month SIM

Data
80 GB
(Unlimited speed included)
Allowances
Unlimited minutes
Unlimited texts
Contract
12 months
Total cost: £114
Price
£9.50per month
Get deal
logo
Unlimited speed

ASDA mobile 50GB 12-month SIM

Data
50 GB
(Unlimited speed included)
Allowances
Unlimited minutes
Unlimited texts
Contract
12 months
Total cost: £95.40
Price
£7.95per month
Get deal
logo
Unlimited speed

ASDA mobile 50GB 24-month SIM

Data
50 GB
(Unlimited speed included)
Allowances
Unlimited minutes
Unlimited texts
Contract
24 months
Total cost: £190.80
Price
£7.95per month
Get deal

Showing 1 to 10 of 17 results

Asda Mobile has built its reputation on straightforward, budget-friendly SIM-only plans, backed by Vodafone's network and Asda's wider supermarket brand recognition. For anyone who wants a low-cost way to get connected without needing to research an unfamiliar smaller brand, it's a name most UK shoppers already know and trust.

1. Asda Mobile's network

Asda Mobile runs over Vodafone's network, meaning coverage should broadly match what Vodafone itself offers in a given area. This gives it access to established, wide-reaching infrastructure, which is a genuine advantage over some smaller SIM-only brands with less transparent network arrangements.

2. What Asda Mobile typically offers

Asda Mobile's core range typically includes a variety of data allowances at competitive prices, alongside options across different contract lengths, including 12-month and 24-month terms, as well as unlimited data plans for heavier users.

3. Is Asda Mobile the cheapest option?

Asda Mobile is consistently competitive, but the single cheapest SIM-only provider shifts over time as pricing and promotions change across the market. Compare its live rates directly against other budget brands such as giffgaff and iD Mobile — our cheapest Asda Mobile deals guide focuses specifically on finding its best current value.

4. Choosing the right contract length

If you're not sure which term suits you, a shorter 12-month contract offers a reasonable balance between price and flexibility, while a 24-month contract typically offers the lowest monthly price for those confident in a longer commitment.

5. Frequently asked questions

What network does Asda Mobile use?
Asda Mobile runs over Vodafone's network, giving it access to the same underlying coverage as Vodafone's own customers.

Is Asda Mobile good value?
It's generally competitively priced, though it's worth comparing its live rates against other budget SIM-only brands to confirm it's the best deal for your specific data needs at any given time.

Can I buy an Asda Mobile SIM in store?
Historically, Asda Mobile SIMs have been available through Asda's supermarket network as well as online, though it's worth checking current availability directly.

Does Asda Mobile offer unlimited data plans?
Yes, alongside its standard data allowances — see our Asda Mobile unlimited data SIMs guide for more detail.

6. Conclusion

Asda Mobile combines a familiar, trusted brand with Vodafone's network coverage and generally competitive pricing. Compare its contract lengths and data allowances against our other Asda Mobile guides and against rival budget brands to find your best deal.