5G is the 5th generation of cellular technology. It’ll allow you to do more with data than ever before.
When you upgrade to OneCall 5G, you join:
- unlimited data O2 or Vodafone Networks
- your choice of plans
- The best speeds
- Your choice of streaming quality
- All SIMs are 5G ready
Why choose OneCall?
Commitment- free SIM plans
1 month plans. No contracts, no credit checks and no surprises at the end of the month. Cancel or change plans anytime. Pay in advance and enjoy the flexibility.
Truly unlimited calls & texts
To standard UK landlines and mobiles, and roaming within EU countries. Call and text your friends and family as much as you want. No catch.
Keep your number
Simply text 'PAC' to 65075 to get a code valid for 30 days. We’ll walk you through steps to enter this code to transfer the phone number you want to keep.
Why choose OneCall?
Unlimited SIM Plans
Flexible approach with 30 Days Sims. No credit checks and no surprises at the end of the month. When we say Unlimited, we mean Unlimited. Pay in advance and choose between either our 30 day SIM bundle or our 30 day SIM plan.
Unlimited means Unlimited
Calls to standard UK landlines and mobiles, and roaming within EU countries. Unlimited Mobile Anytime, Anywhere!
It's Your Number. Keep IT!
Text 'PAC' to 65075 to get a code, this will be valid for 30 days. Let us know your PAC code, and we will get you connected. It’s your number, KEEP IT!
How it works
Choose a Sim
Frequently Asked Questions
OneCall is powered by the Vodafone & O2 networks and can connect to 3G & 4G networks across the globe.
Whilst you are in the UK tethering is unlimited. In the EU tethering comes out of your monthly allowance which is 25GB per month. Outside of the UK & Europe, you will need to add on one of our passport plans. Fair use policies apply to all tethering.
The OneCall team are available to chat online 9am to 5pm weekdays (excluding bank holidays) just click the pink icon in the bottom right of the screen. Alternatively go to our contact us page for other ways of contacting us.
They’re flexible – you can change or cancel a plan whenever you want.
A 30-day plan SIM your monthly allowances will automatically renew every 30 days and a the payment will be taken from your account by Direct Debit Credit Card or Debit Card. So there’s no need to top up, you can even pay for your Passport and Passport+.
On a 30 day bundle SIM: you still have all the benefits of our unlimited SIM but it will expire 30 days after the date you activate it. You also will not be able to make international calls / texts or use your SIM outside of the EU without adding on one of our passport plans. To upgrade to a 30 day plan SIM please contact our customer services
Terms and conditions apply to all our SIMs – You can see them here