education | April 26, 2026

Can I put a PAYG SIM in a contract phone o2?

If you want to use your O2 contract or PAYG phone with a SIM from another network, ie a local SIM when on holiday, you will need to release the network lock. If you have a monthly contract it is free to get your phone unlocked. Business users can also submit the form for a free unlock.

Also, can you put a pay as you go SIM in a contract phone o2?

Yes you can do that. Be sure to ask for an Account Specific Blank SIM card as Contract and Pay As You Go versions hold different information. And please take some Photo ID for Contract Sim Cards just incase your asked. The Service will stop on the original SIM card which indicates the swap has started.

Also, what Sims can I use in an o2 phone? Tesco/GiffGaff sims work fine in O2 locked handsets. No need to unlock.

Subsequently, one may also ask, can I put contract Sim in PAYG phone?

If it is SIM free and unlocked then you can use any PAYG, contract or pay monthly SIM from any network provider in it provided that the SIM card is the correct size.

Can you put a PAYG SIM in an iPhone?

The iPhone needs to be unlocked by the network that it is locked to o2 can only unlock o2 iPhones but when unlocked yes your payg sim will work you need to change the apn's see my links just watch out for it's data usage.

Related Question Answers

How do I activate my o2 SIM card without topping up?

You can activate your sim in five simple steps:
  1. Pop out the right size sim for your device, put it in and switch it on.
  2. Visit the Pay As You Go mobile broadband page.
  3. Enter your mobile broadband number and click sign in.
  4. Follow the instructions to register and activate your data.
  5. You're ready to go.

How do I activate a new SIM card?

SIM card
  1. Go to
  2. Select the Activate option for AT&T wireless or AT&T PREPAID.
  3. Enter the requested info and select Continue.
  4. Follow the prompts to finish.

How do I know if my SIM is activated?

If the SIM is active, it will connect to the network and show the signal strength of the network. It will also say GSM or 3G or 4G. If the SIM is not active it will say something like No Service. If you do get the connection, then final check is to call the number or make a call.

Do o2 charge to unlock phone?

O2 pay monthly customers are not subject to a time limit and can unlock their phone free of charge at any point in their contract. O2 pay as you go customers can also unlock their phone at at time, for no charge.

How long does it take o2 to unlock your phone?

O2 unlocks pay monthly phones within 72 hours. Customers unlocking a pay as you go O2 phone will be sent a code to unlock their phone within three days of O2's receipt of a phone unlocking application form.

How much would it cost to unlock a phone?

A quick bit of internet research suggests that these are 2019 prices for unlocking per phone manufacturer: Apple phones: $32. Samsung: $25. Motorola: $23.

How do I activate my o2 contract SIM card?

You can activate your sim in five simple steps:
  1. Pop out the right size sim for your device, put it in and switch it on.
  2. Visit the Pay As You Go mobile broadband page.
  3. Enter your mobile broadband number and click sign in.
  4. Follow the instructions to register and activate your data.
  5. You're ready to go.

How do you get your PAC code from o2?

If you're joining O2 Pay Monthly, you can submit your PAC Code by calling 202 on your O2 handset. Alternatively, call 0344 8090202 from any other phone. If you're joining O2 Pay As You Go, submit your PAC Code by calling 4445 (0344 8090222 if you're calling from another network).

Can you put a SIM card in a contract phone?

Any compatible SIM will work on a contract phone, as Verizon LTE phones are factory unlocked. Also they don't penalize for non-Verizon SIMs, even while on contract.

Can I buy another phone while on contract?

When your contract is up, you own the phone. However, you won't own any of the phones unless you pay a large fee to buy it out. If it breaks and you don't have insurance, you'll also be on the hook for the full price. Early upgrade: Early upgrade plans tend to be the most convoluted options.

Is it better to buy a phone on contract or outright?

'Buying a smartphone outright can be cheaper in the long run, compared to locking yourself into a two-year contract. ' But buying a phone outright isn't for everyone. For example, if you like to sport the latest handset and aren't fussed by higher monthly plan costs, then a mobile plan might suit you just fine.

Can I use a SIM free phone on any network?

Instead, it's up to you to provide and install a SIM card for the phone. A SIM free phone can come locked or unlocked. If it is unlocked, then any SIM card that physically fits will work. All phones sold on Mobile Fun are both SIM free and unlocked, meaning they come without a SIM card, and will work on all networks.

Can I sell my contract phone?

You are fine to go ahead and sell your phone. It is yours to do with as you wish. As long as you continue paying the monthly contract there will not be any problems. So long as you keep paying the bill there will be no issues, the phone is your property.

Can I unlock my phone myself?

The simplest way to unlock your device is to ring your provider and ask for a Network Unlock Code (NUC). Most will provide you with one and some even do it for free once your contract is up. Once you're provided with the code you should be able to enter it into your phone to remove the lock.

Can u put a Tesco sim in an o2 phone?

Tesco Mobile uses the O2 network, but they are an independent company. Her O2 SIM card won't work in the phone. But do it the other way round, by putting a Tesco SIM into an O2-branded phone, and it will work. Tesco will unlock the phone for free.

Can I unlock my o2 phone for free?

O2 pay monthly customers are not subject to a time limit and can unlock their phone free of charge at any point in their contract. O2 pay as you go customers can also unlock their phone at at time, for no charge.

Can I unlock my phone for free?

Yes, it is legal to unlock phones. More importantly, the FCC has mandated that all carriers should unlock phones for their consumers for free, if a consumer so desires. That said, you need to know whether your phone is eligible to be unlocked. The FCC isn't giving you a free pass to con the carriers.

What is o2 SIM network unlock PIN?

When enabled, your PIN code is requested when you switch your mobile on or when you insert your SIM into another compatible mobile. You have three attempts to enter the PIN code into your mobile correctly before the mobile requests a PUK code. The default PIN at point of manufacturer for your O2 mobile SIM is 0000.

How long does it take to unlock a phone?

In reality, it takes to get your phone unlocked depends on your provider. But you should be mindful that you could be waiting for anything between a few days or up to 30 days for the process to be complete. To clarify your network's policy, check out our network-by-network guide below.

How do you unlock a phone contract?

Enter the unlock key. Using your phone's keypad, type in the 8-digit unlock key. Press the “Enter” or “OK” button to enter the code. A confirmation message will appear on the screen notifying you that the key has been accepted. Your contract phone has been unlocked and is now ready to be used on any service carrier.

How do I get my phone unlocked?

How to Unlock Your Android Device Using Android Device Manager
  1. Visit: on your computer or any other mobile phone.
  2. Sign in with the help of your Google login details that you had used in your locked phone as well.
  3. In the ADM interface, choose the device you want to unlock and then select "Lock".
  4. Enter a temporary password and click on "Lock" again.

What network is my phone locked to?

On Android (current versions), go to Connections > Mobile Networks > Network Operators. Click “Search now” to have the phone search for carriers. If only one carrier is found, that's probably the carrier your phone is locked to. If more than one carrier comes up, try to select a carrier and make a call.

How do I see if my iPhone is unlocked?

How to Tell If Your iPhone Is Unlocked via Settings
  1. Open the Settings app on the iPhone.
  2. Select Cellular.
  3. Tap Cellular Data Options.
  4. If you see Cellular Data Network as an option, your iPhone is probably unlocked. If you don't see it, your iPhone is probably locked.

How do I unlock an old iPhone?

Only your carrier can unlock your iPhone. Contact your carrier and request an unlock. Your account might need to meet requirements for unlocking.

Use these steps to finish unlocking your iPhone:

  1. Back up your iPhone.
  2. After you make a backup, erase your iPhone.
  3. Restore your iPhone from the backup you just made.

Can I put a new SIM in my old iPhone?

You have to go to ATT and get a new SIM card before you can activate your friend's old iPHone for yourself. You also can not use any of YOUR old SIM cards, it has to be a fresh, unused SIM card. Once you have a new SIM card, go into settings/reset and clear out everything in the current iPHone.

How do I get my Vodafone phone unlocked?

Simply insert a non-Vodafone SIM to use on another network.
  1. Turn on the phone.
  2. From the home screen press the Call button (or enter the dialing menu) and then enter the following text: 2945#*855# (an unlock menu will automatically appear)
  3. Select Service Provider Lock.

How do I unlock my iPhone from Vodafone?

Your device needs to have been on our network for us to unlock it for you. The easiest way to unlock your device is to order a free Pay as you go SIM and use it for 30 days. Then, we can unlock your device for you using the NUC.