Power & Volume Button Flex Cable
Honor 90 Power & Volume Button Flex Cable Replacement
- Fits
- Honor 90
- Fixes
- Button faults
- Quality
- Brand new, OEM quality
- Fitting
- Professional install
Overview
What this part is
The side buttons on the Honor 90 press on small switches mounted on a thin flex cable inside the frame. If the phone has been dropped or liquid has got in, those switches can fail. The power button stops waking the screen, or the volume keys stop working.
This flex cable replaces the switches and their cable. The metal or plastic button keys on the outside are not included. Before ordering, check that a case is not pressing on the buttons and restart the phone.
Compatibility
Specifications and compatibility
- Part
- Power & Volume Button Flex Cable
- Compatible with
- Honor 90
- Model numbers
- Check Settings › About phone
- Does not fit
- Honor 90 Lite, 90 Pro, 90 Smart, 90 GT or any other model
- Fixes
- Unresponsive, sticky or intermittent power and volume buttons caused by a faulty flex
- Does not fix
- Missing or bent outer button keys, software problems or main board faults
- Quality
- Brand new, OEM-quality power and volume button flex cable for the Honor 90. Tested before dispatch.
- Brand
- Unbranded, compatible with Honor 90
- In the box
- 1 × power and volume button flex cable. Outer button keys and tools are not included unless shown in the photos.
- Colour
- As shown in the photos
- Installation
- Professional installation recommended
- Supplied by
- Supreme Phone Parts Ltd, Manchester, UK
Before you order
Is this the right part?
Signs it needs replacing
- The power button does not wake or lock the screen
- Volume keys do not change the volume
- Buttons work only when pressed very hard
- A button seems stuck and the phone keeps restarting or showing the volume bar
How to check your model
Open Settings › About phone and check the device name. It should read Honor 90, not Honor 90 Lite or Honor 90 Pro.
The Honor 90 has a 200MP main rear camera and a curved-edge screen. The Honor 90 Lite has a flat screen and a 100MP main camera.
Professional installation
How a technician fits this part
- Power the phone off and remove the SIM tray.
- Open the phone carefully with gentle heat and thin opening tools.
- Disconnect the battery, then remove the parts covering the side-button flex.
- Peel the old flex away from the frame and disconnect it.
- Fit the new flex in the same position, lining up each switch with its button, and reconnect it.
- Test power and volume buttons before resealing the phone.
Check that the part matches the device before fitting it or removing any adhesive backing. Once a part has been fitted, it cannot be returned for a change of mind. Faulty parts are always covered.
FAQ
Frequently asked questions
Will this fit my Honor 90?
Yes, if Settings › About phone shows Honor 90. It does not fit the Honor 90 Lite, 90 Pro, 90 Smart or 90 GT.
Does it fit the Honor 90 Lite?
No. This part is made for the Honor 90 and is not listed as compatible with the Honor 90 Lite. Always check the device name in Settings › About phone before ordering.
Will this fix a button that has fallen off?
No. This cable holds the switches inside the phone. If the outer button key is missing or bent, that key needs replacing separately.
Is it made by Honor?
No. It is a brand new, OEM-quality part made to fit the Honor 90, and every part is tested before dispatch.
Should I fit it myself?
We recommend professional installation. Opening the Honor 90 needs gentle heat, the right tools and care with the battery and flex cables.
How quickly will it arrive?
Orders placed before 4pm on a working day are dispatched the same day from Manchester by Royal Mail Tracked. Delivery is free on UK orders over £5. You can also collect from our shop at 33 Moulton Street, Manchester M8 8FQ. Returns are accepted within 30 days from receipt.
Prepared by the Supreme Phone Parts team, Manchester. Last updated September 2026.