Mobile Phone Diagnosis Service
Not sure which repair your phone needs? Our mobile phone diagnosis service gives you a clear assessment before repair work is carried out.
This service is suitable for iPhone, Samsung, Google Pixel, OnePlus, Sony Xperia, Motorola, Xiaomi, Honor and other mobile phone faults where the cause is not yet confirmed.
What is included?
- Initial inspection and functional testing
- Fault confirmation where possible
- Repair quote before any paid repair work goes ahead
- Advice if the device needs a specialist board-level or water-damage assessment
Good reasons to book diagnosis first
- The phone does not power on
- You are unsure whether the problem is screen, battery, charging port, liquid damage or board related
- The device has multiple faults after a drop
- You want a clear repair quote before committing to a full repair
For liquid-damaged phones, use water damage diagnosis instead.
Helpful repair links
Use these links to compare related repair options for mobile phone diagnosis or choose the best booking route for your device.
Frequently Asked Questions
How do I know whether my mobile phone needs this repair?
Common signs include the cause of the fault is not yet confirmed, more than one component may be involved, the device has an intermittent or complex fault. We inspect the device before fitting the replacement component so the booked repair matches the confirmed fault.
Will this repair erase my data?
This hardware repair does not normally require a factory reset, but you should keep an up-to-date backup before handing over the device.
How long will the repair take?
Turnaround is confirmed after we inspect the device and check the required component.
Can I visit Square Repair near Liverpool Street?
Yes. Book online before visiting where possible so we can confirm the part and expected fitting time.
Why does diagnosis not include a repair warranty?
Diagnosis is an assessment service and does not itself fit a replacement part. Any later repair has its own applicable warranty once authorised and completed.