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Asda Mobile SIM-only deals

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3GB of 5G data
1 month contract
Unltd texts
Unltd minutes
£5.00/mth monthly cost
  • EU roaming included
  • Free delivery
10GB of 5G data
1 month contract
Unltd texts
Unltd minutes
£8.00/mth monthly cost
  • EU roaming included
  • Free delivery
15GB of 5G data
1 month contract
Unltd texts
Unltd minutes
£10.00/mth monthly cost
  • EU roaming included
  • Free delivery
100GB of 5G data
1 month contract
Unltd texts
Unltd minutes
£18.00/mth monthly cost
  • EU roaming included
  • Free delivery
Unltd 5G data
1 month contract
Unltd texts
Unltd minutes
£22.00/mth monthly cost
  • Unlimited data subject to Acceptable Use Policy (AUP)
  • EU roaming included
  • Free delivery
5GB of 5G data
12 month contract
Unltd texts
Unltd minutes
£4.50/mth monthly cost
  • EU roaming included
  • Free delivery
3GB of 5G data
12 month contract
Unltd texts
Unltd minutes
£5.00/mth monthly cost
  • EU roaming included
  • Free delivery
10GB of 5G data
12 month contract
Unltd texts
Unltd minutes
£6.00/mth monthly cost
  • EU roaming included
  • Free delivery
25GB of 5G data
12 month contract
Unltd texts
Unltd minutes
£8.00/mth monthly cost
  • EU roaming included
  • Free delivery
10GB of 5G data
12 month contract
Unltd texts
Unltd minutes
£8.00/mth monthly cost
  • EU roaming included
  • Free delivery

Data last updated: Saturday 21 March 2026 at 12:28

Asda Mobile SIM-only deals

asda mobile logo

Asda Mobile SIM-only deals are a good choice if you’re looking for simple, low-cost plans without being tied into a long contract. Running on Vodafone’s network, Asda Mobile offers solid UK coverage along with access to 4G and 5G where available. Its plans focus on flexibility and value, with most offered on a rolling monthly basis and no credit checks required.

Compare deals

Compare Asda Mobile SIM-only deals

Asda Mobile offers a range of SIM-only plans with different data allowances, all including unlimited UK calls and texts.

Plans are typically available on a 30-day rolling basis, meaning you can change or cancel each month. Prices vary depending on the data allowance, with lower-cost options available for light users.

Our best Asda Mobile SIMs this week

  • ASDA Mobile sim only
    5G
    • 10GB of 5G data
    • Unlimited minutes
    • Unlimited texts
    • download speed limit
    • EU roaming included
    • £6.00 per month
    12 month contract From ASDA Mobile
  • ASDA Mobile sim only
    5G
    • 10GB of 5G data
    • Unlimited minutes
    • Unlimited texts
    • download speed limit
    • EU roaming included
    • £6.00 per month
    12 month contract From ASDA Mobile
  • ASDA Mobile sim only
    5G
    • Unlimited 5G data
    • Unlimited minutes
    • Unlimited texts
    • download speed limit
    • Unlimited data subject to Acceptable Use Policy (AUP)
    • £19.00 per month
    24 month contract From ASDA Mobile

Why choose an Asda Mobile SIM?

  • Flexible plans: Most SIM-only deals are offered on a 30-day rolling basis
  • Affordable pricing: Low-cost plans suitable for budget-conscious users
  • Strong coverage: Uses Vodafone’s network, covering around 99% of the UK population
  • 5G included: Available at no extra cost on compatible devices and in supported areas
  • EU roaming: Available in selected European destinations, subject to fair usage limits
  • No credit checks: Plans are generally available without a credit check

Is Asda Mobile a good network?

Asda Mobile is a good option if you’re looking for straightforward, low-cost SIM-only deals.

Because it runs on Vodafone’s network, it offers reliable coverage and performance in most areas. While it doesn’t include many perks or extras, it focuses on keeping pricing simple and competitive.

What to look for in an Asda Mobile SIM contract

When choosing an Asda Mobile SIM, the main things to consider are your data allowance and monthly cost.

All plans include unlimited UK calls and texts, so your main decision is how much data you need. If you don’t use your phone often, Asda Mobile also offers Pay As You Go options.

Asda Mobile’s best unlimited data SIMs

Asda Mobile offers unlimited data plans alongside its capped data options. These can be suitable if you regularly stream or use large amounts of data.

Some unlimited plans may be subject to speed limits or fair usage policies, so it’s worth checking the details before choosing a plan.

Asda Mobile’s best rolling contract SIMs (30-day / 1-month)

Most Asda Mobile SIM-only plans are offered on a 30-day rolling basis, giving you the flexibility to change or cancel your plan each month.

These plans include unlimited UK calls and texts and a range of data allowances, making them suitable for a wide range of users.

Asda Mobile’s best 12-month SIM deals

Asda Mobile does not typically offer 12-month SIM-only contracts. Instead, it focuses on flexible monthly plans.

If you’re looking for a longer-term deal with fixed pricing, you may need to compare other networks.

Asda Mobile’s cheapest SIM-only deals

Asda Mobile’s cheapest SIM-only deals are aimed at light users who mainly need calls, texts and a small amount of data.

Prices typically start from around £5–£6 per month for lower-data plans, though this can vary depending on offers. All plans include unlimited UK calls and texts.

  • ASDA Mobile sim only
    5G
    • 10GB of 5G data
    • Unlimited minutes
    • Unlimited texts
    • download speed limit
    • EU roaming included
    • £6.00 per month
    12 month contract From ASDA Mobile
  • ASDA Mobile sim only
    5G
    • 10GB of 5G data
    • Unlimited minutes
    • Unlimited texts
    • download speed limit
    • EU roaming included
    • £6.00 per month
    12 month contract From ASDA Mobile
  • ASDA Mobile sim only
    5G
    • Unlimited 5G data
    • Unlimited minutes
    • Unlimited texts
    • download speed limit
    • Unlimited data subject to Acceptable Use Policy (AUP)
    • £19.00 per month
    24 month contract From ASDA Mobile

Should I get unlimited calls and texts?

All Asda Mobile SIM-only plans include unlimited UK calls and texts as standard, so you don’t need to factor this into your decision.

Alternatives to Asda Mobile

If you’re comparing networks, alternatives like giffgaff, SMARTY, VOXI and iD Mobile also offer low-cost SIM-only deals.

These providers focus on affordability and flexibility, though features and perks vary between networks.

Frequently asked questions

Can I use my Asda Mobile SIM abroad?

Yes, roaming is available, but charges and allowances depend on your destination. Some European destinations may be included in your plan, subject to fair usage limits, while others may incur additional charges. Always check before travelling.

Can I get 5G enabled Asda Mobile SIMs?

Yes, all Asda Mobile SIMs are 5G-ready. You’ll need a compatible device and to be in an area with 5G coverage to access it.

Can I keep my mobile number if I switch to an Asda Mobile SIM-only deal?

Yes, you can keep your number by requesting a PAC (port authorisation code) from your current provider and giving it to Asda Mobile.

Do I need an unlocked phone to use an Asda Mobile SIM?

Yes, your phone needs to be unlocked to use an Asda Mobile SIM. Most phones sold in recent years are already unlocked.

Are Asda Mobile SIM only deals cheaper than contract?

SIM-only deals are often cheaper overall because you’re not paying for a handset. Asda Mobile focuses on SIM-only and Pay As You Go plans rather than traditional phone contracts.

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