Three Existing Customer Deals
Loyal customers are the network's most valuable, which is why existing Three customers get exclusive deals.
Get extra discounts on SIM Only, mobile phones, mobile broadband and tablets.
Existing customer SIM Only deals
Get a discount on all SIM Only deals on Three when you take out a 2nd line.
![]() |
4GB data Unlimited Mins Unlimited texts 12 month plan |
|
![]() |
Unlimited data Unlimited minutes Unlimited texts 12 month plan |
6 months half price |
View all deals |
Existing customers phone deals
Get a discount on all the latest phones when you take out a 2nd line.
Apple iPhone 11 |
4GB data Unlimited Mins Unlimited texts |
|
Samsung Galaxy S20 FE |
30GB data Unlimited minutes Unlimites texts |
(Normally £46) |
View all deals |
Existing customer broadband deals
Get a better deal on a home broadband router, or mobile WiFi dongle as an existing customer.
Huawei 4G Plus MiFi |
10GB data |
(Normally £12) |
Huawei AI Cube |
Unlimited data |
(Normally £25) |
View all deals |
Existing customers tablet deals
Samsung Galaxy A7 |
20GB data |
Free tablet |
iPad 10.2 inch 2020 |
20GB data |
Free tablet |
View all deals |
Frequently Asked Questions
Who is eligible for 3 existing customer deals?
To qualify as an existing customer, you need to currently have a Pay Monthly contract on Three. That can be either a Pay Monthly mobile phone, SIM Only, tablet or mobile broadband device.
What products do I get discount on?
Existing customers get discounts on Three's complete product range including the latest mobile phones, tablets, SIM Only plans and mobile broadband dongles.
How much can I save?
You can save over £100 compared to Three's current new prices, although the amount you save depends on the device you choose and your chosen plan.
Can I buy a 2nd phone for my partner/family member and save?
Absolutely, as long as the new device is in the same name as your original contract.
The information contained on this website has been written to assist our readers. We do not represent Three or speak on its behalf and are entirely independent of Three.