iPhone 14 Pro Max will not turn on?
No response does not establish which part has failed. We check whether your iPhone 14 Pro Max has a charging problem, an image fault or a board fault before recommending repair.
The fixed £35 diagnostic covers the assessment described below and both-way UK tracked shipping. If you approve the repair quote, the fee is deducted from that quote. No repair work starts without your approval.
Model-specific context
A power fault can involve more than the battery
The iPhone 14 Pro Max contains several circuits that supply different functions. A short in one area can prevent normal starting, even when the customer never noticed a fault in that function. Tell us whether mobile signal changed before the shutdown, but do not treat that observation as proof of a baseband fault.
Check your model: Confirm the Pro Max name, rather than 14 Pro or 14 Plus. Include the full A-number if known, especially for an imported device, as regional hardware can differ.
For the wider fault pattern, read the iPhone no-power diagnosis. If the files matter more than returning the device to daily use, read about data recovery and select Data recovery when booking.
The symptom
What did the phone do immediately before failing?
The following details are useful:
- A sudden shutdown while the battery still showed charge
- No image or vibration after a safe check with known working charging equipment
- Heat, liquid exposure, impact or a previous repair before the loss of power
What the diagnostic checks
What we check on your iPhone 14 Pro Max.
- Distinguish missing display output from a failure to start
- Measure power behaviour and inspect the battery and charging connections
- Trace abnormal loading or a short to its circuit before proposing component work
We’ll explain what we find in writing and quote for the work we can offer. Your options depend on the device’s condition, our test results and the parts available.
What should the written finding explain?
The finding should distinguish the customer's symptom from the fault established by testing. If board work is viable, the quote explains the proposed route. If the board has multiple damaged areas or further investigation is limited, those limits belong in the finding rather than a promise based on another phone's repair.
From the repair bench
A dead 14 Pro Max traced to baseband power management
Our published case records a shorted BB PMIC, the power-management IC for the baseband circuitry. The recorded repair replaced that IC and the case outcome was fully fixed.
This is one cause established on one device. It is not evidence that every dead 14 Pro Max needs a BB PMIC replacement.
Before you post it
Protect the device and the data while deciding.
- Record whether the phone still rings, vibrates or connects to a trusted computer
- Tell us whether the files are backed up before any software work is considered
- Contact support before posting a device with swelling, heat or battery damage
Get a clear diagnosis for your iPhone 14 Pro Max.
Tell us what’s happening with your iPhone 14 Pro Max. We’ll assess it at our Tyneside lab for £35 and explain your options before you decide on repair.
Repair decisions follow the condition of your board
Previous work and the extent of damage can affect viability. The original-board assessment may support repair, a data recovery route or a finding that further work is not suitable. You decide after the findings and quote.
Common questions
iPhone 14 Pro Max no power FAQ
What does BB PMIC mean?
It is a power-management chip associated with the baseband circuitry. In the published case it was shorted; the term is not a diagnosis that can be made from a black screen alone.
Is this the same service as iPhone 14 Pro no power?
Both use the £35 assessment process, but the Pro and Pro Max are different devices. Book the exact model so its hardware is assessed correctly.
Will replacing the whole board recover my photos?
A replacement board does not contain the files from the original board. If those files matter, choose Data recovery and explain the priority before work begins.
Related services and guides
More help with this fault.
- iPhone no-power diagnosis
- The BB PMIC short-circuit case
- iPhone logic board repair
- Browse all repair models
Model information: Apple iPhone model identification. These sources describe the device or manufacturer guidance; the assessment establishes the fault in yours.
BASED IN TYNESIDE · SERVING THE UK
Specialist repair by post across the UK.
You can send your device to our Tyneside lab from anywhere in England, Scotland, Wales or Northern Ireland. Book first and we’ll email your tracked postage label and packing instructions. Our service is by post; there is no walk-in counter.
The £35 assessment includes standard UK tracked postage both ways. We’ll explain what we find in a written report and give you a quote. You decide whether to go ahead. The assessment is non-refundable and counts towards approved work. Read the assessment fee terms and packing instructions, or ask us about your device if you’re unsure where to start.