Phone Power Button Not Working? Does It Need Repairing?

You press your power button but nothing happens. So you try pressing it again, holding it for longer this time, and then try it three or four more times, but still nothing. A phone power button not working is one of those faults that seems small until you realise just how much you rely on it, locking the screen, waking the phone, powering off when youd rather be left undisturbed. Once it stops responding, you’ll soon realise just how essential it is.

The good news is that this fault has a fairly small list of usual causes, and most of them are things we can sort quickly in store.

What’s Actually Going On Underneath

Power buttons are mechanical. Underneath that small plastic or metal button sits a tiny switch, and every press physically closes a contact to send a signal to the phone. Over thousands of presses a day, that switch can wear out, get knocked out of alignment, or become blocked by dust, grit, or moisture that’s worked its way in through the gap around the button.

A few things can result in this happening:

A drop or knock

Even a fall that doesn’t crack the screen can jolt the button mechanism out of place internally.

Dust and debris

Pocket lint, sand, and general grime build up around the button over time and eventually stop it making proper contact.

Liquid exposure

A splash or spill doesn’t need to be dramatic, even light moisture can corrode the tiny contacts inside a power button switch.

General wear

On an older phone, the switch itself can simply wear out from years of daily use, in the same way any small mechanical part eventually does.

Phone Side Button Not Working

On a lot of modern devices, the phone side button not working is usually the same type of issue but with a different name. Because the button now sits where your hand naturally grips the phone, it tends to take more knocks and more pocket grit than it used to, which is part of why this fault has become more common as phone designs have shifted.

If the side button feels stiff, spongy, or like it’s not quite clicking the way it used to, that’s often the first sign of trouble before it stops working altogether.

iPhone Power Button Not Working

An iPhone power button not working usually shows up as the side button failing to wake the screen, not responding to a long press for Siri or the power-off menu, or the phone no longer restarting when you’d expect it to. It’s a fault we see across pretty much every iPhone generation, though it becomes more common on models a few years old, particularly if the phone has taken a drop at some point in its life.

One thing worth checking first is whether your screen is actually the issue rather than the button. If the display looks blank but the phone is still making sounds or vibrating, it might be worth reading our piece on an iPhone screen gone black but the phone still being on, since the two faults can look similar from the outside.

Samsung Power Button Not Working

Samsung power button not working faults are just as common, and on many recent Galaxy models the side key does double duty, handling power functions alongside Bixby or the camera shortcut depending on how it’s set up. When the button fails, you might notice the phone stops responding to a long press, the screen won’t wake with a single press, or the power menu simply doesn’t appear.

Moisture is a factor worth ruling out here too. If your Samsung has also been showing a moisture warning, our article on the Samsung moisture detected warning that won’t go away is worth a look, since both faults can stem from the same source.

Can You Still Use Your Phone Without a Working Power Button?

In the short term, yes, mostly. Both iPhone and Android have built in accessibility features that let you lock, unlock, and even power off the phone entirely on screen, without needing the physical button at all. On an iPhone this is usually done through AssistiveTouch, and Android has a similar feature depending on the brand.

It’s a decent workaround while you wait for a repair, but it’s not really a long term fix, and if the button has failed due to moisture or debris, leaving it can sometimes let the problem extend to other parts of the phone.

When It’s Time for Phone Button Repair

A few signs it’s worth booking in rather than persisting with workarounds:

• The button doesn’t respond at all, even with firm, repeated presses
• The button feels physically loose, sunken, or rattly
• Pressing it triggers the wrong function, like the camera or volume instead of power
• The issue appeared suddenly after a drop or spill
• You’re relying on accessibility workarounds just to turn the screen on and off

If any of that sounds familiar, it’s usually a straightforward phone button repair rather than anything more serious, though we’ll always check the phone over properly first in case there’s something else going on. It’s actually one of the more frequent jobs on our list of common phone problems we see in the repair shop.

Getting It Fixed

Power button repairs are something we handle regularly on both iPhone and Samsung devices, along with most other major phone brands. Depending on the model, this can mean replacing the physical switch, cleaning out debris that’s built up around it, or in some cases replacing the small flex cable the button connects to.

A power button that’s given up isn’t something to just live with. Let’s have a chat, whether that’s popping into the shop, sending your phone in by post, or booking our mobile repair service, and we’ll get it working properly again.

You’re welcome to visit our shop in Colwyn Bay or our Conwy branch and we’ll take a look while you wait. You can even book a repair online to get things moving even quicker.

Frequently Asked Questions