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Such a waste of time, going nowhere with endless questions and to never get to the point of actually helping.

I spoke to the customer service via the live chat and spoke to Lawrence he is unbelievably RUDE and ARGUMENTATIVE I am absolutely mind blown at how incredibly rude he was, did not help me what so ever and simply wanted to argue over the tinest of details instead of coming up with a solution to my problem which was how can I pay my bill while living abroad! Should’ve been a simple straight forward answer but no!! He had to make sure he got his word in! After being a customer for many many years I hope to never use three ever again! DISGUSTING

Day 1 - received Three 5G MIFI and Sim via DPD at 2.15pm on 8/7/26 (ordered my device last night online)

3 simple steps and connected was the claim !

It would not connect so I called, was disconnected, called again, was disconnected - REPEAT! Eventually got through to Technical Services and on the phone for 1.5 hours doing troubleshooting. Was then informed that a new SIM was required and I could either wait 48 hours for it or head to my local shop and have a new sim fitted. Requested to speak to a Manager for complaint. Manager rather embarrassed and offered £22.00 ‘goodwill’ amount. I curtly corrected his terminology and stated it was compensation on DAY1 !!!

Off I went to Three store which is over an hour round trip. Explanation given and new sim fitted into device and told to wait 2 hours for activation. No prizes for guessing the outcome after the 2 hours elapsed!

More calls and more explanations and more disconnections. One technical support representative attempted to baffle me with ‘Provision Requirements/allocations’. More troubleshootings and more disconnections and more calls later, called again and was assisted by yet another Technical Support’ rep. Her explanation was very different to the previous six I’d received and much to my surprise, the call was disconnected when I reached the point of asking when I should expect my service to be active. Promised to call back but never did.

I have purchased this device as I will move home at the weekend and fully intended to use this and the wired service, when active in 2 weeks time. I was more than willing to have two active accounts running as this MIFI is mobile and can be taken with me on business trips.

I have complained already at length and will continue to do so. The only excuse I can assume is utter INCOMPETENCE. I have all contact and details from such recorded and will escalate this matter via every authority and resource open to me.

Day 1 has been a nightmare – let’s see what you do in correction! I won’t hold my breath.

Be very careful with Three on your mobil phone contract.
They offer paramount film service free one year but remember its free only 1 year only on your 2 year contract.
What they dont tell you is the second year its £6.99 + vat for the rest of your contract you got to keep a eye on your billing service.
If you question the add on they say its in the contract even if you never used it i have 2 contracts on one bill and im changed both times.
Very very crafty service.

Three Mobile Chat Support on the Three app is a nightmare because the app crashes multiple times during one conversion due to inadequate Internet connection! The actual Support Staff vary in quality dramatically. Yesterday, one female support staff all but called me a liar and insisted several times that I did indeed have excellent service although she whitnessed the app crashed and close about ten times before this! They all start out telling you that the Three Mobile service in your postcode is excellent, which it used to be but hasn't been for a least four months. They they then ask you what devices you use. Then they ask where is the mobile reception is poor...EVERYWHERE! Then they ask you to restart your device. Then they suggest getting new sims, which I've already done. Then the ask to review your APN settings. Then they ask you to set the phone setting to 4G, which gives me next to no Internet connection certainly good enough for Teams and Zoom. But the inference it is it's a problem with your phone or your sim or setting!!! When it's not! Its the broken 5G mast that they say they are supposedly fixing for the last four months meanwhile the Internet connection is getting worse to the point where all I can get is a 4G connection that's provides no sufficient Internet service at all, instead of a FAST 5G service. I couldn't do a SpeedTest today because of a lack of Internet connection!!!! What's the chance I'll be able to use Teams and Zoom then? NONE!

Oh, and you can't send them screenshots of SpeedTest results or the 4G reception on your phone.
Three Mobile is a telecommunications company and what they offer in terms of Customer Support is designed to drive you mad, to be of no support whatsoever, and ro get you off Chat Support ASAP.

Three has been the biggest wind up merchant today. I simply wanted to move my number from a finished contract to a PAYG SIM, yet no one seemed to want to do it. I spoke to two customer service agents and even visited a store. The store wanted to sell me a cheaper contract and after I insisted no I want to go on PAYG, they said I needed to ring up Three because they can't do it. The two person that I rang on separate occasions also wanted to put me on a cheaper contract, it's like they were following a script, both maintaining that internal migration option didn’t exist. They suggested I get a PAC code and go to another network. It’s shocking that they would rather lose a loyal customer of 10 years, what crazy business strategy. Three needs to sort themselves out. Overall, very disappointed with their shenanigan.

Defective. Replacement still has not arrived.
5g hub sent not working, replacement hasnt arrived still. Poor customer service. They werent even apologetic with my experience. The first broadband, someone already put in the sim inside and it was wrongly placed so cant even get it out. It wasnt working at all. They have started charging me while i havent receivef the router yet. They did not care that i have had a bad experience. I have just activated the sim which was shipped separately with the replacement router and i asked them why it was shipped separately when the first one got shipped at the same time. They made it difficult for me and i still havent received my router. Ridiculous. I told them i wanted to have it shipped to my work instead but they said it could not be. They shipped a defective item, and caused me so much hassle and was not very empathetic at all. They even offered “would u like to cancel” like it did not matter to them that i was having a bad experience because of their mistake.

This telecom service providers are pathetic. Their customer services cannot be trusted. On the phone they say one thing and later they dont do it themselves, and rather blame the customer and asks for proof when they were called. Shamelessly poor service

I was with Three for 2 Years and everything went well until it was time to upgrade. I went a week past my upgrade date before I noticed and contacted Three Customer Service about upgrading in which by then my next bill was due, they charged me for both the Device and the Airtime plan even though the device contract had finished. When they told me this I refused to pay the amount for the device but that I would pay for the airtime plan in which they refused. After a month of back and forth, they charged me a 2nd time, rightly so as I was still using the airtime plan but the 2nd charge also included the device plan. I paid the outstanding amount and requested to leave in which a final, 3rd amount for the device and airtime plan will need to be paid, how outrageous. I would never recommend this company.

Jag hade en väldigt dålig upplevelse med Tre. Innan jag reste utomlands kontaktade jag dem för att ändra eller pausa mitt abonnemang. När jag kom tillbaka upptäckte jag fakturor på över tusen kronor som jag inte hade förväntat mig.

Jag bad deras kundtjänst att visa bevis på vad vi hade kommit överens om innan min resa, men de vägrade ge någon dokumentation. Istället för att förklara avgifterna fortsatte de att fakturera mig.

Det här känns väldigt orättvist och oprofessionellt. Jag försökte lösa problemet på ett vänligt sätt, men ändå blev jag debiterad en stor summa för något som jag aldrig tydligt hade gått med på. Jag rekommenderar andra att vara mycket försiktiga och alltid få skriftlig bekräftelse när de har kontakt med Tre.

One of the most disturbing companies existing in the UK at the moment. People simple get lured to try one of their contracts and later on despite of the fact that the contract is finished , they continue with and later on manage to ruin your credit score out of nothing. I do not understand why someone like them should be given so much power out of nothing !!!
Just like someone else said , such a shame for clients like me paying them bills over the years to end up like this. Ot makes no sense. I will never ever buy their services again and I will spread the word as much as I can.
They don't deserve clients !!!! Keep this in your heads ! Is it easier to have any pay as you go somewhere else and cheaper , also to buy a phone from Argos or other retailers than dealing with someone like 3 . I even contacted the credit agencies to have a real explanation of why are they being let to do this ?! It's not normal and someone should look closer into it how they're trying to control their clients from not going anywhere else and for them this is a tool. Hello !!!! Not everyone needs a contract or if it leaves them it doesn't means will get a contract somewhere else ! But ....that stain on the credit file it remains in there over the years for their stupidity and nobody even cares to rectify it . 😱😡😡😡
A big NO, NO and another NO from me !
Stay away from them for your own health !!!

As a 10 year valued customer of 3 I today been.refused credit we have checked my credit rating and there is no problem what a way to treat long term customers now stuck.on a month by month rolling and prob won't get a phone from.else where so cross a realy sicking service 3 you should be ashamed

They drove me crazy. I have been with Three for 4 years. They have called me every single day trying to upsell. I asked them to stop, I blocked their numbers (they'd use others), I went into their shop (was told I needed to call them to tell them to stop calling me!!) I finally had enough and cancelled when my contract ended which was not easy to do. Every time i thought I had cancelled they would call again saying I still had an account. When I finally got my PAC code and changed providers, I STILL received calls from them asking why I had gone and to come back. I let them know it was because of their calls! Every single day it was relentless. I've asked them to remove my phone number from their database.

please do not touch. AWFUL

What a diabolical company Three really are.
I am writing this on behalf of my elderly mother who has been with 3 for a long long time. She was not only was scammed for 2 mobile phones in September which she did not order and then went through months and months of stress and total inconvenience trying to get that sorted and her account back to normal, then had to waste hours and hours of her time phoning three for one reason or another. Three is without a doubt one of the worst mobile phone providers from a customer services point of view (and I know that most of the other UK providers are far from efficient, the whole mobile telecomms industry seriously needs looking at from a legal standpoint in my opinion). The phrase "The Left arm does not know what the Right Arm is doing" springs to mind. The entire company is so poorly set up and ends up wasting the customer's time and cause them nothing but unwanted stress and frustration. Never again would I deal with this disgraceful company, not even if they were the last mobile provider on earth. Shame on you 3, you were good once (back in the 00s) but have gone the way of most providers nowadays, ie, down the toilet. Also there are lots of ongoing phone scams going on with three which have been going on over 2 years looking at historical internet reviews, how on earth this still happens is baffling but as other reviewers have said, Three's accountability is non existent, They would rather go round and round in a tailspin investigating fraudulent scam cases instead of putting something rigid in place to stop the scamming happening in the 1st place. Their systems and security clearly DOES NOT WORK. For a customer yes they may offer a tempting deal price wise but seriously Avoid Avoid Avoid, Buyer Seriously Beware !!!! Absolute joke

After finding the number to ring on the UK 3 website which dies not want to be found,
I called three on 0800 033800
And went through a ridiculous question tree
The verification went okay
once I reached 'Aditi '
in Mumbai at 14.35 UK time 5.3.25

Having listened to my simple query about a card verification failure, Aditi asked multiple times for me to repeat core info including the 4 digit v code, claiming my voice was cutting out intermittently continually

I repeated my self so many times yet she was quite able to hear me when I asked her a question

I got the strong sense that she was messing me around

I simply wanted to find out why my verification method wasn't working she finished the conversation by asking me if I needed to help with my home BB that I have not asked for help with and then I hung up the call in exhaustion.

went in to a local 3 shop to get 2 dongles as we had lost our internet in the office.
Shop staff were great HOWEVER when it comes to cancelling the contract , as we are permitted to do had to phone INDIA .
Hopeless could not explain properly, would not confirm charges, confused contracted herself all the time, would not transfer to somebody else and refused to give details where I could write or email to cancel the 2 PAYG sims.
She did however explain me the process!!!!!!!!!!!!!!!!!!!!!

Waste of time.

Ashish was great help putting my upgrade through!

Unstable, constant connection issues, extremely slow 5g speeds "Basildon" uggggg.
Extremely over populated towers!
Want to watch something on your phone - forget it!
1.7mb Upload. 5.8mb Upload WTF!

There's apparently always a problem In the area that never gets resolved! (Finally contacting CS) Even with the introduction of " Our new and improved service" Vodafone OMG its got worse

Save your money! Disgusting.