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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.

  • ‘We are very happy with the handling of our account.  Our Account Manager always deals with any queries and requests very promptly and efficiently and, importantly, we feel confident that we are kept informed of the best options for us.

    From comparisons we have made we do believe that we have saved money and would have no hesitation whatever in recommending ADSI to business colleagues.’

    Boshers Cholsey

  • ‘Corniche International have been using ADSI for all our telecom needs and have always found their service to be professional and friendly and the team are always there to help. We will carry on using ADSI for the foreseeable future’

    Corniche International

  • ‘Our Account Manager worked really hard at sorting our an almighty mess created by Carphone Warehouse, it’s great to have one point of contact and be able to have somebody who is prepared to take ownership of any problems that occur. ‘

    Capital Drainage

  • ‘I was dealing with one of your colleagues a couple of weeks ago regarding a fault with a new phone, I just wanted to say that they were brilliant, really efficient and got things sorted quickly’

    Johnston Mailing

  • “I would like to thank ADSI and our account manager. They have been great in finding the best deal for us and although we are a very small part of your business we have felt like our queries and concerns were being listened to and dealt with quickly. We look forward to continuing our relationship with ADSI”

    The Helpful Bureau

  • “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

  • “I would just like to thank you for all your help over the last couple of months. I admit that I was hesitant at first but the service level of ADSI, your professionalism and expertise has been second to none. I would not hesitate to recommend your services to other business colleagues I know. I look forward to our on-going working relationship.”

    AM World UK

  • “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

  • “My Account Manager is extremely good at alerting us to areas where we could potentially save money within our business. We are more than happy with the service we receive from ADSI & I would strongly recommend them to other individuals or businesses.”

    Trans XL

  • “We have dealt with ADSI now for approx. 5 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 provide 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 be providing a pro-active service that will let me know if I need to make any changes to my mobile account.  I am free to concentrate on other aspects of my business because ADSI are looking the mobile accounts.”

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