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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.

  • “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

  • “ADSI provide an excellent service and value for money”.

    Southend Christian Fellowship

  • “Thanks for being the perfect comms partner over the last 13 years.”

    Jelf Group

  • “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

  • “We have been with ADSI for a number of years now and I wouldn’t go anywhere else. Very professional company.”

    Kevin Locke Builders

  • “I am extremely pleased that I moved our account to ADSI and would gladly recommend them. We have made considerable savings by making the move, but have also enjoyed a far better level of service. In fact the best thing about working with ADSI is having a named account manager who deals with everything about the account. “

    Association of Teachers & Lecturers

  • “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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