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Friday, 26 June 2026

Notes for the switch, from O2

The cheapest 1-month rolling data plans start at just £5/month. Since these are 30-day rolling plans rather than rigid contracts, you can simply cancel after the first month without penalty.These top 30-day SIM-only deals can get you connected immediately:Lebara Mobile: £5 per month for 5GB of data (runs on Vodafone).Lebara Mobile: £10 per month for 20GB of data.SMARTY: £6 per month for 5GB of data (runs on Three).SMARTY: £10 per month for 40GB of data (runs on Three).iD Mobile: £6 per month for 10GB of data (runs on iD Mobile/Three).Note: Lebara also includes international minutes if you need to call abroad, and both SMARTY and Lebara allow tethering your data to other devices (like a laptop).If you can tell me how much data you think you'll need or what network gives the best signal in your local area, I can recommend the exact plan for you.AI responses may include mistakes. Learn moreI'm going to get a long term phone line, to change my O2 unlimited at £30 per month, to Spusu 100GB, and unlimited call and text, so I plan, but takes may be four days for the sim card, so I like something if I can not use O2 till then ? 

You can bridge that 4-day gap today by using an eSIM if your phone supports it, which activates instantly online without waiting for the post.Because you are moving to Spusu, which runs on the EE network, it is best to avoid EE-based temporary SIMs right now to ensure smooth signal testing or compatibility.Here are the best temporary options to keep you connected for the next four days:Option 1: Instant eSIM (No waiting for delivery)If your phone is eSIM compatible, you can buy a short-term plan online and scan a QR code to get data immediately.Lycamobile eSIM: Offers a 30-day rolling plan with unlimited data for roughly £10–£15 on the EE network (same as Spusu). You can cancel it immediately after purchase so it does not auto-renew.Giffgaff eSIM: Runs on the O2 network. You can download their app, buy a "Monthly Rolling" plan (like 25GB for £10), activate the eSIM instantly, and cancel the recurring payment right away.Option 2: High Street SIM Card (Pick up today)If your phone does not support eSIM, you can walk into a local supermarket (like Tesco, Sainsbury's, or Asda), a corner shop, or a Poundland store right now to buy a physical SIM card for £1.SMARTY Mobile SIM: Buy a physical SIM in a shop for £1, activate it online with a £6 plan (5GB) or £10 plan (40GB) on the Three network, and use it for 4 days.Asda Mobile SIM: Pick up a SIM in an Asda store, activate a 30-day bundle online on the Vodafone network, and throw it away when your Spusu SIM arrives.Important Transition ChecklistDo not cancel O2 yet: If you want to keep your current phone number, your O2 line must remain active until the porting process to Spusu is fully complete.Get your PAC code: Text the word PAC to 65075 from your O2 SIM. Give this code to Spusu so they can move your number over.Turn off auto-renew: Whichever temporary SIM you buy today, make sure to log into the online dashboard immediately and turn off recurring payments so you are not charged again next month.If you want, I can check:Whether your exact phone model supports eSIMWhere the nearest shop is to pick up a physical SIM today

That is the classic "new customer trap"! Providers love to lure people in with massive introductory discounts, only to quietly swap the plan or hike the price back up to standard rates for month two.Since you are only using them as a 4-day bridge while waiting for your Spusu SIM, 5GB for £5 is actually the perfect amount of data to get you through the weekend without overspending.Just make sure to keep an eye on these two things before your new line goes live:Log into your Lyca account: Go to the Lyca Mobile online portal or app and turn off auto-renew / auto-top up immediately. If you don't, they will keep charging you £5 every single month, even after you throw the SIM away.Keep your 5GB safe: Avoid downloading large apps or streaming high-definition video while on mobile data until your Spusu line arrives, as 5GB can disappear quickly if a phone runs background updates.Once your Spusu SIM lands in the post, you can pop it in, complete your number transfer, and enjoy your 100GB without worrying about these short-term limits!Do you need any help finding where to turn off the auto-renew setting in your account?

Yes, your O2 line will keep working normally right up until the exact day your phone number officially transfers over to Spusu.Because you mentioned needing a temporary option to cover you "till then," there is a specific order of events to ensure you don't lose signal or lose your phone number:How the Timeline WorksYour O2 SIM stays active: Your O2 SIM will not stop working when the new Spusu SIM arrives in the post. You can keep using it normally.Give Spusu your PAC code: If you haven't already, submit your O2 PAC code to Spusu (via your online portal or by contacting Spusu customer service).The Transfer Day: Spusu will text you an exact date for the number transfer (usually 1–2 working days after you submit the code).The Switch: On that specified transfer day, your O2 SIM will suddenly lose signal and show "No Service". This is your cue to take the O2 SIM out, put the Spusu SIM in, and restart your phone. Your old number will now be active on Spusu, and O2 will automatically cancel your old account.Where your Lycamobile SIM fits inSince you already have the temporary Lyca SIM with 5GB of data, you can use it right now as a backup. If you are worried about running out of O2 data before the switch, or if you've already scheduled the O2 cancellation, you can safely put the Lyca SIM into your phone today to browse the web. Your O2 number will just sit safely in the background waiting to be ported.Have you already submitted your PAC code to Spusu, or do you need to know how to send it to them?

Perfect timing! Waiting until your contract officially ends on 27th June means you will completely avoid any sneaky early termination fees from O2. [1] 
Because tomorrow is Saturday, the UK network switching system follows a specific weekend routine that changes your timeline:
## The Weekend Timeline

* Saturday, 27th June (Contract End Day): Text PAC to 65075 from your O2 SIM. You will get the code instantly via text.
* The Weekend Wait: Submit this code to [Spusu](https://www.spusu.co.uk/) online. Because UK mobile networks do not process number transfers on weekends, your switch won't actually start moving until Monday.
* Monday, 29th June: Spusu will officially process your request.
* Tuesday, 30th June (Estimated Switch Day): This is usually the quickest day your number will officially move over to the Spusu SIM.

## Your Data Strategy Until Tuesday
Since your Spusu physical SIM will take about 3 to 4 working days to arrive in the post, and your number won't transfer until early next week, here is exactly how to manage your phones: [2, 3, 4] 

   1. Keep using O2 normally over the weekend: Once a contract minimum term ends, it does not instantly shut off. It simply rolls over on a monthly basis. Your O2 SIM will stay fully active with unlimited data until the official transfer day. [5, 6] 
   2. The Lyca SIM is your safety net: If O2 cuts off your unlimited allowance or restricts your data on Saturday because the contract technically "ended," this is the exact moment to pop your temporary 5GB Lyca SIM into the phone. It will easily bridge the gap until your Spusu SIM arrives.

Once your Spusu SIM lands in the post and the Tuesday transfer goes through, your O2 account will automatically close itself. [5] 
Would you like me to help you draft the exact message or steps to submit your PAC code on the Spusu website tomorrow?

[1] [https://www.o2.co.uk](https://www.o2.co.uk/help/account/joining-and-leaving-o2/leaving-o2)
[2] [https://www.mymobiles.com](https://www.mymobiles.com/guides/pac-code/spusu)
[3] [https://www.comparedial.com](https://www.comparedial.com/pac-code-transfer/spusu)
[4] [https://www.reddit.com](https://www.reddit.com/r/awardtravel/comments/twlu26/first_time_transfer_from_mr_to_ba_not_instant/)
[5] [https://www.reddit.com](https://www.reddit.com/r/UKPersonalFinance/comments/co0ydb/o2_contract_ends_next_month_help/)
[6] [https://community.o2.co.uk](https://community.o2.co.uk/t5/Discussions-Feedback/contract-end-date/m-p/679533)

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