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01268 495555

Warranty Repairs

If your handset is faulty and you believe it was purchased from us within the last 12 months you may qualify for warranty repairs.  Please enter your IMEI number in the field below to check whether it was purchased from us and that the warranty is still valid:

What do I do if I have lost/had my phone stolen?

In our opening hours (Monday to Friday 8.30am -5.30pm) call our team at ADSI on 01268 495555 to order replacement SIM and/or new handset.

Out of hours (Saturday, Sunday and Weekdays 5.30pm – 8.30am) call the appropriate network to place a temporary bar on your SIM.  Then, in hours call ADSI to arrange a new SIM and/or new handset.

What do I do if my phone breaks?

In opening hours call our team at ADSI on 01268 495555 or click here to download a Faulty Handset Repair Form

Please note if you phone is not under warranty, your repair may be chargeable.

  • “Since ADSI have taken over our mobile phone management we have not had a single issue. They have even dealt with an ongoing problem that we had been trying to resolve for over a year!

    Dave is always really helpful and responds to any queries we have quickly and efficiently. I would have no hesitation in recommending them.”

    HR Dept

  • “I would like to thank Dave and ADSI for making my Electricity switch over both effortless and at the same time lucrative.

    By signing just a couple of letters I have now switched and am saving over £100 pcm.

    I have no hesitation on recommending you and your company to friends and clients alike.”

    Quest Printing & Design Ltd

  • Energy: Simon introduced himself to us when he took over our account and has been friendly and helpful from the very first conversation. We have a couple of properties on the same street, some of which we had forgotten to inform ADSI of and we had got confused as to what was currently in contract/where we were paying high tariff rates.  Simon got this organised with minimal input from us which helped massively and also managed to save us money at the same time.

    I feel confident that our account is in safe hands which gives us one less thing to think about in the running of our business, I know Simon will be in touch as and when I need to know something. I would not hesitate to recommend ADSI Energy and have no intention of going elsewhere as I know they will do everything they can to get us the best deal possible.”

    Drainsmart

  • “We are now into our third year with ADSI and can only say what a BIG improvement on our previous provider.

    Calls are always answered promptly by a person, not an ‘option machine’.  Each time we have added a new connection the equipment has arrived on time.  Brad Foote has been our dedicated account manager and all it has taken is a quick phone call to action our requirements.

    Ongoing, our account manager keeps a watchful eye on our account and quickly highlights any unusual activity allowing us to address or amend our tariff accordingly. The technical support ADSI provides is also extremely helpful and timesaving.  I would have no hesitation whatsoever in recommending this company.”

    Almor Group

  • “Always been very happy with ADSI from day one; we get contacted constantly by other companies but we would never leave ADSI as the service is fantastic.

    Our account manager, Brad, at ADSI is faultless – I would highly recommend.  He helps with all queries and is knowledgeable, friendly and we feel confident that he gets us the best deal and give us the best advice.

    We have saved a considerable amount of money over the years and the control we have over our mobile phones now is second to none. Any issue or query is dealt with promptly and efficiently, can’t praise highly enough.”

    Fire Protection Ltd

  • “‘Welcome to the World of Mobile Technology’ ADSI form a vital part of our arsenal to allow us to get on with life.  They have been integral to our business growth providing a reliable and cost effective way to run an essential service to our company and staff who rely on constant communication.

    As a company and personally, ADSI know exactly who we are and our habits so can advise and manage our services honestly and precisely.  You have to enjoy working with suppliers otherwise what’s the point? It’s an honest, open and thorough relationship that we are very grateful to have in our business life.”

    Models 1

  • “Always been very happy with ADSI from day one. We get contacted constantly by other companies but we would never leave ADSI as the service is fantastic and our Accounts Manager is brilliant – he helps with all queries and is knowledgeable, friendly and  we feel confident that he  gets us the best deal. Many companies we’ve used over the years have been in it for the money only but with ADSI we feel that they really do put the customer first, can’t praise highly enough.”

    East Durham Community Transport

  • “Our account manager makes this otherwise stressful task of the comms pain free. We receive a personalised service and he is always on hand to advise us on maximising our telecoms whilst keeping an eye on budgets, all without compromising the high level of standards we have come to expect.   Because of this we have moved all our mobile needs to ADSI which goes against normal company policy where we by principle never use a sole supplier.”

    EBSCO

  • “We are really happy with overall service from ADSI; it’s great to have someone assigned to our account that can help us with any issues. Our overall phone costs have greatly decreased and we are extremely happy with ADSI.”

    McCue Corporation

  • “We have dealt with ADSI now for approx. 7 years, and have been continuously impressed with the good old fashioned level of customer service. Not only do they keep their eye on our account to make sure it’s the best value for us and offer us great deals on new products, but the back-up is second to none. I would have no hesitation in recommending them to business colleagues. Keep up the good work!”

    Pink Scaffolding

  • “ADSI offer a personal service delivered in a very professional way.  I am very satisfied with the service and support provided by ADSI.  I am confident that when I call, my questions will be answered without delay and this is delivered at a very competitive price.  ADSI look after their customers by providing a pro-active service that lets me know if I need to make any changes to my mobile account.”

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