For Samsung Galaxy M31 (SM-M315) Power Button (Black)
Galaxy M31 – all parts

For Samsung Galaxy M31 (SM-M315) Power Button (Black)

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Fits Galaxy M31

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Same-day dispatch on orders before 4pm, Mon–Fri

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Royal Mail Tracked 48® · dispatched from Manchester

Delivery options
International TrackedSelected countries in Europe, US, Canada, AU & NZ. Not available for every part – your options show at checkout£9.99
Local pickup33 Moulton St, Cheetham Hill, Manchester M8 8FQ · Usually ready within 24 hours – we’ll email you when it’s ready

Dates are estimates in working days. Orders after 4pm, at weekends or on bank holidays are dispatched the next working day. Final options and prices are shown at checkout.

Fitting advice

Phone parts are delicate. We recommend fitting by a qualified repair technician.

Test the part before final installation, before any adhesive or seal is applied. Parts with adhesive applied can’t be returned for change of mind.

Returns

You have 30 days from the day you receive your item to request a return. Items must be unused, in the condition and packaging they were supplied in, with proof of purchase.

Please contact us before sending anything back. Return postage is the buyer’s responsibility unless the item is faulty. For faulty or incorrectly described items, we cover return postage in full. Approved refunds go to the payment method you used within 10 business days. Your statutory rights are not affected.

Not sure it fits? Ask a parts specialist

0161 425 8273 · support@etech61.com

Mon–Fri 10am–6pm

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Product details

Everything you need to know

Quick Answer — At a Glance
  • Fits: Samsung Galaxy M31 (SM-M315)
  • Part: Power & Volume Button Flex Cable
  • Colour: Black
  • In the box: black power button
  • Dispatch: Same day from Manchester, UK, on orders before 4:00PM Mon–Fri
  • Returns: 30 days on unused items

Product Description

✦ For Samsung Galaxy M31 (SM-M315) Power Button (Black)

This is a black replacement power button for the Samsung Galaxy M31. It is intended for an M31 whose power key is dead, loose or sticking, or that presses itself after a drop or liquid contact.

Before ordering, clean out dirt and remove any tight case from the M31, then confirm the power button really is the fault. Take your time inside the phone and test the button before the cover goes back on. Different M31 handsets can look alike, so the model code matters more than the appearance.

Key Features & Highlights

Product Type
Power & Volume Button Flex Cable
Compatible Model
Samsung Galaxy M31
Model Number
SM-M315
Colour
Black
Dispatch
Same day if ordered before 4:00PM Mon–Fri

Compatibility

  • Samsung Galaxy M31 – SM-M315

Signs Your Power or Volume Button Flex Needs Replacing

  • The power or volume button does nothing, or only works when pressed hard.
  • Buttons stick, feel loose or trigger on their own.
  • The phone restarts, screenshots or changes volume without you pressing anything.
  • A button stopped working after a drop or liquid exposure.
  • Before replacing, remove the case and check the button is not blocked by dirt or a tight case.

How to Check Your Model Number

On the phone or tablet go to Settings › About phone (or About tablet). The model number starts with SM- (for example SM-A145R). It is also printed on the box the phone came in.

Specifications

Attribute Detail
Compatible Brand Samsung
Device Type Phone
Product Type Power & Volume Button Flex Cable
Compatible Model Samsung Galaxy M31
Model Number SM-M315
Colour Black
What's Included black power button
Country of Dispatch United Kingdom 🇬🇧
Dispatch Location Manchester, England
⚠️ Important — Please Read Before Purchase
  • Listed for the Samsung Galaxy M31 (SM-M315) only.
  • Colour: black. Other M31 power button colours have their own listings.
  • This listing names a black power button. Contact us to confirm whether it is a button key, a flex cable or both before ordering.
  • Professional fitting is recommended; button flex cables are thin and tear easily, and the phone usually has to be opened fully.
  • Button flex cables are model-specific — check that your device matches the model shown above before ordering.
  • Test power, volume and any other buttons on the flex before sealing the phone.
  • If a button still fails after fitting, the fault may be on the main board rather than the flex.
  • If you are unsure which part you need, contact us with your model number before ordering.
Your statutory rights under the Consumer Rights Act 2015 remain unaffected for faulty or not-as-described items.

Frequently Asked Questions

Which phone does this fit?

It is listed for the Samsung Galaxy M31 (SM-M315). Check the model code on your Samsung Galaxy M31 matches before ordering.

How do I check my Samsung Galaxy M31 model number?

On the Samsung Galaxy M31, open Settings › About phone and read the model name and number. Match it to the model named in this listing before you order.

Which button does it cover?

This listing is for the power button on the Samsung Galaxy M31, in black. It is not listed for the volume buttons.

My Samsung Galaxy M31 power button stopped working after a drop. Could this be the cause?

Possibly. A knock or liquid exposure can damage the power button assembly or the flex behind it in a Samsung Galaxy M31, and the button then stops responding. Clean out dirt and remove any tight case first, then open the Samsung Galaxy M31 and test the button. If it still fails with a new part fitted, the Samsung Galaxy M31 fault may be on the main board.

How hard is it to fit on the Samsung Galaxy M31, and does the phone need opening?

The power button parts sit inside the frame of the Samsung Galaxy M31, so the phone usually has to be opened with the screen or back removed. Flex cables are thin and tear easily, so professional fitting is recommended, and you should test the button on the Samsung Galaxy M31 before sealing it.

How quickly will my order be dispatched?

Orders paid before 4:00PM Monday to Friday are dispatched the same day from our Manchester warehouse. Orders placed later, at weekends or on bank holidays go out the next working day.

How much is UK delivery?

Royal Mail Tracked 48 is free on UK orders of £5 or more (£2.49 below that). Royal Mail Special Delivery Guaranteed by 1pm is available at checkout, and you can also collect from our shop at 33 Moulton St, Manchester M8 8FQ.

Can I return it if it is not right?

Yes. You have 30 days from delivery to return an unused item in the condition it was supplied in. Please contact us before sending anything back. Your rights under the Consumer Rights Act 2015 are not affected.

Delivery

Fast, tracked delivery from Manchester

Same-day dispatch

Order and pay before 4pm, Monday to Friday, and it leaves us the same day. Later orders, weekends and bank holidays go out the next working day.

Royal Mail Tracked 48®

Free on UK orders of £5+

Tracked to your door. £2.49 on orders under £5.

Special Delivery by 1pm®

From £7.99

Guaranteed next working day by 1pm (UK). Choose it at checkout.

International Tracked

£9.99

To selected countries in Europe, the US, Canada, Australia and New Zealand. Not available for every part — your options show at checkout.

Local pickup

Collect from 33 Moulton St, Cheetham Hill, Manchester M8 8FQ. Usually ready within 24 hours — we’ll email you when it’s ready.

Returns

30 days to change your mind

  • 30 days to request a return, from the day you receive your item
  • Item unused, in the condition and packaging it was supplied in, with proof of purchase
  • Contact us before sending anything back — unauthorised returns can’t be accepted
  • Approved refunds go to the payment method you used within 10 business days
  • Test the part before final installation — adhesive applied voids a change-of-mind return
  • Return postage is paid by the buyer unless the item is faulty

Your rights: as a UK business we always uphold the Consumer Rights Act 2015 and the Consumer Contracts Regulations 2013. For faulty or incorrectly described items, we cover return postage in full. Read the full refund policy.

Phone repair parts, from a real UK business

E-Tech61 Ltd is a Manchester-based supplier of phone, tablet and tech repair parts to DIY fixers and repair shops across the UK.

Company
E-Tech61 Ltd
Companies House
08915335
VAT number
GB 209 379 096
Hours
Mon–Fri, 10am–6pm

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