Power & Volume Button Flex Cable
Samsung Galaxy A16 4G Power & Volume Button Flex Cable Replacement
- Fits
- Samsung Galaxy A16 4G
- Fixes
- Side button faults
- Quality
- Brand new, OEM quality
- Fitting
- Professional install
Overview
What this part is
The power and volume keys on the Galaxy A16 4G are plastic or metal buttons in the frame. Behind them sits a thin flex cable carrying small switches. When a switch wears out, the flex tears, or liquid gets in, the buttons stop working even though they still move.
This part is listed for the Galaxy A16 with model number SM-A165F. Before you buy, restart the phone and remove any case, because a tight case can hold a key down. The flex is reached by removing the back cover and the plates over the main board.
Compatibility
Specifications and compatibility
- Part
- Power & Volume Button Flex Cable
- Compatible with
- Samsung Galaxy A16 4G
- Model numbers
- SM-A165F
- Does not fit
- Galaxy A16 5G (SM-A166B), Galaxy A15 or any other model
- Fixes
- Power or volume keys that do not respond, work only now and then, or feel dead
- Does not fix
- A bent or missing button cap in the frame, screen, charging or main board faults
- Quality
- Brand new, OEM-quality power and volume button flex cable. Tested before dispatch.
- Brand
- Unbranded, compatible with Samsung Galaxy A16 4G
- In the box
- 1 × power and volume button flex cable. Check the photos for any tools included.
- 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
- Pressing the power key does not wake or lock the phone
- Volume up or down does nothing
- A button only works if you press it very hard or at an angle
- Screenshots or restarts fire on their own, as if a key is stuck
How to check your model
Open Settings › About phone. The model name should read Galaxy A16 and the model number should be SM-A165F.
The Galaxy A16 5G has model number SM-A166B and is not listed for this part.
Professional installation
How a technician fits this part
- Power the phone off, warm the back cover to soften the adhesive, and lift it off.
- Remove the screws and plates, then disconnect the battery.
- Unclip the old side key flex and peel it gently away from the side of the frame.
- Line the new flex up behind the buttons, press it into place and connect it.
- Reconnect the battery and test power, volume up and volume down before closing.
- Refit the plates and screws, apply new adhesive and press the back cover down evenly.
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 Galaxy A16 4G?
Yes, if Settings › About phone shows Galaxy A16 4G with model number SM-A165F.
Does it fit the Galaxy A16 5G?
It is not listed for the A16 5G (SM-A166B). This flex is for the SM-A165F. If you have the 5G model, message us before ordering.
Does this flex include the fingerprint reader?
The Galaxy A16 reads fingerprints through the side key. Check the photos to see exactly what is on this flex, and message us if you are unsure before ordering.
Is it made by Samsung?
No. It is a brand new, OEM-quality button flex cable made to fit the Samsung Galaxy A16 4G, and it is tested before dispatch.
Should I fit it myself?
We recommend professional installation. The Galaxy A16 4G has to be opened and the battery disconnected safely, and the flex is thin and easy to tear.
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 from £5. Returns are accepted within 30 days from receipt.
Prepared by the Supreme Phone Parts team, Manchester. Last updated September 2026.