Apple iPhone 8 Parts
If you have broken your iPhone 8 recently and want to get it fixed, you've come to the right place. As the leading iPhone replacement part shop in the UK, we are experts at repairing iPhones and provide a wide variety of iPhone accessories at an affordable price.
We offer a range of quality Apple iPhone 8 parts including genuine replacement LCD screen s, batteries, front and back cameras, back glass, digitizers and more.
All iPhone parts are fully tested to high standards and backed by our 12-month warranty.
- Apple iPhone 8 Replacement Screens
- Apple iPhone 8 Battery Replacements
- Apple iPhone 8 Charging Port Replacements
- Apple iPhone 8 Replacement Camera Parts
- Apple iPhone 8 Replacement Back Glass & Housings
- Apple iPhone 8 Replacement Button Parts
- Apple iPhone 8 Replacement Speaker Parts
- Apple iPhone 8 Replacement Antenna Parts
- Apple iPhone 8 Replacement Sim Card Trays
- Apple iPhone 8 Spare Brackets & Screws
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- Adhesives
- Antenna Parts
- Back Glasses
- Batteries
- Board Components
- Button Parts
- Camera Parts
- Charging Ports
- Clear Cases
- Flex Cables
- Housings
- Housings & Midframes
- Screen Protectors
- Screen Refurbishment
- Screens
- Screws / Brackets
- Sim / Memory Card Trays
- Sim Card Reader
- Speaker Parts
- Vibrating Motors
- Wallet Cases
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For Apple iPhone 7 / 7 Plus / 8 / 8 Plus / SE2 Home Button - White / Gold (Cosmetic Use)
OEM
Original price £1.99 - Original price £1.99Original price£1.99 £1.66 Excl. VAT£1.99 - £1.99Current price £1.99 £1.66 Excl. VAT
SKU RO16671
MPN 821-00912-ACompatibility: iPhone 8 iPhone 8 Plus iPhone 7 iPhone 7 Plus iPhone SE2 (2020) Please Note: This item is for cosmetic use only therefore you will...
View full detailsOriginal price £1.99 - Original price £1.99Original price£1.99 £1.66 Excl. VAT£1.99 - £1.99Current price £1.99 £1.66 Excl. VATSave £0.00 Save £-1.99 -
For Apple iPhone 8 Complete Replacement Internal Bracket Set
OEM
Original price £2.99 - Original price £2.99Original price£2.99 £2.49 Excl. VAT£2.99 - £2.99Current price £2.99 £2.49 Excl. VAT
SKU RO18108Apple iPhone 8 Complete Replacement Internal Bracket Set
Original price £2.99 - Original price £2.99Original price£2.99 £2.49 Excl. VAT£2.99 - £2.99Current price £2.99 £2.49 Excl. VATSave £0.00 Save £-2.99 -
For iPhone 8 / 8 Plus/ X Small Power Management IC chip PMIC PMD9655
OEM
Original price £2.99 - Original price £2.99Original price£2.99 £2.49 Excl. VAT£2.99 - £2.99Current price £2.99 £2.49 Excl. VAT
SKU RO20007
MPN PMD9655Small Power IC For the iPhone 8 8 Plus and X - PMIC IC Number: PMD9655 Condition: New Compatibility: Apple iPhone 8 Apple iPhone 8 Plus Apple iPhone X
Original price £2.99 - Original price £2.99Original price£2.99 £2.49 Excl. VAT£2.99 - £2.99Current price £2.99 £2.49 Excl. VATSave £0.00 Save £-2.99 -
For Apple iPhone 8 / 8 Plus / X Replacement Audio Codec IC 338S00248
OEM
Original price £4.99 - Original price £4.99Original price£4.99 £4.16 Excl. VAT£4.99 - £4.99Current price £4.99 £4.16 Excl. VAT
SKU RO3138
MPN 338S00248Apple iPhone 8 / 8 Plus / X Replacement Audio Codec IC 338S00248
Original price £4.99 - Original price £4.99Original price£4.99 £4.16 Excl. VAT£4.99 - £4.99Current price £4.99 £4.16 Excl. VATSave £0.00 Save £-4.99 -
For Apple iPhone 8 / 8 Plus / X Charging IC 2PD2 U6200 IC Chip
OEM
Original price £2.99 - Original price £2.99Original price£2.99 £2.49 Excl. VAT£2.99 - £2.99Current price £2.99 £2.49 Excl. VAT
SKU RO3137Apple iPhone 8 / 8 Plus / X Charging IC 2PD2 U6200 IC Chip
Original price £2.99 - Original price £2.99Original price£2.99 £2.49 Excl. VAT£2.99 - £2.99Current price £2.99 £2.49 Excl. VATSave £0.00 Save £-2.99 -
For Apple iPhone 8 / 8 Plus / X U3300 SN2501A1 SN2501 Charging IC Chip
OEM
Original price £2.99 - Original price £2.99Original price£2.99 £2.49 Excl. VAT£2.99 - £2.99Current price £2.99 £2.49 Excl. VAT
SKU RO3139Apple iPhone 8 / 8 Plus / X U3300 SN2501A1 SN2501 Charging IC Chip
Original price £2.99 - Original price £2.99Original price£2.99 £2.49 Excl. VAT£2.99 - £2.99Current price £2.99 £2.49 Excl. VATSave £0.00 Save £-2.99 -
For Apple iPhone 8 / 8 Plus / X USB Charging IC Chip U3300 SN2501A1 SN2501
OEM
Original price £3.49 - Original price £3.49Original price£3.49 £2.91 Excl. VAT£3.49 - £3.49Current price £3.49 £2.91 Excl. VAT
SKU RO3140Apple iPhone 8 / 8 Plus / X USB Charging IC Chip U3300 SN2501A1 SN2501
Original price £3.49 - Original price £3.49Original price£3.49 £2.91 Excl. VAT£3.49 - £3.49Current price £3.49 £2.91 Excl. VATSave £0.00 Save £-3.49 -
For Apple iPhone 8 / 8 Plus / X Wi Fi WiFi IC Chip 339S00399
OEM
Original price £7.99 - Original price £7.99Original price£7.99 £6.66 Excl. VAT£7.99 - £7.99Current price £7.99 £6.66 Excl. VAT
SKU RO3141
MPN 339S00399Apple iPhone 8 / 8 Plus / X Wi Fi WiFi IC Chip 339S00399
Original price £7.99 - Original price £7.99Original price£7.99 £6.66 Excl. VAT£7.99 - £7.99Current price £7.99 £6.66 Excl. VATSave £0.00 Save £-7.99 -
For Apple iPhone 8 / 8 Plus Replacement Main Power Management PMIC IC 338S00309
OEM
Original price £3.99 - Original price £3.99Original price£3.99 £3.33 Excl. VAT£3.99 - £3.99Current price £3.99 £3.33 Excl. VAT
SKU RO3142
MPN 338S00309Apple iPhone 8 / 8 Plus Replacement Main Power Management PMIC IC 338S00309
Original price £3.99 - Original price £3.99Original price£3.99 £3.33 Excl. VAT£3.99 - £3.99Current price £3.99 £3.33 Excl. VATSave £0.00 Save £-3.99 -
For Apple iPhone X / 8 / 8 Plus WTR5975 Frequency IC Chip
OEM
Original price £6.99 - Original price £6.99Original price£6.99 £5.83 Excl. VAT£6.99 - £6.99Current price £6.99 £5.83 Excl. VAT
SKU RO3173
MPN WTR5975Apple iPhone X / 8 / 8 Plus WTR5975 Frequency IC Chip
Original price £6.99 - Original price £6.99Original price£6.99 £5.83 Excl. VAT£6.99 - £6.99Current price £6.99 £5.83 Excl. VATSave £0.00 Save £-6.99 -
For Apple iPhone 7 / 8 Replacement Front Camera Bracket
OEM
Original price £1.49 - Original price £1.49Original price£1.49 £1.24 Excl. VAT£1.49 - £1.49Current price £1.49 £1.24 Excl. VAT
SKU RO52842For Apple iPhone 7 / 8 Replacement Front Camera Bracket This replacement part is made from quality materials and precision machining Apple iPhon...
View full detailsOriginal price £1.49 - Original price £1.49Original price£1.49 £1.24 Excl. VAT£1.49 - £1.49Current price £1.49 £1.24 Excl. VATSave £0.00 Save £-1.49 -
For Apple iPhone 7 / iPhone 7 Plus / iPhone 8 / iPhone 8 Plus / iPhone SE2 (2020) Replacement Sim Card Reader
OEM
Original price £1.99 - Original price £1.99Original price£1.99 £1.66 Excl. VAT£1.99 - £1.99Current price £1.99 £1.66 Excl. VAT
SKU RO52823For Apple iPhone 7 / iPhone 7 Plus / iPhone 8 / iPhone 8 Plus / iPhone SE2 2020 Replacement Sim Card Reader This replacement part is made from qu...
View full detailsOriginal price £1.99 - Original price £1.99Original price£1.99 £1.66 Excl. VAT£1.99 - £1.99Current price £1.99 £1.66 Excl. VATSave £0.00 Save £-1.99 -
For Apple iPhone 7 / 8 Replacement Touch ID Extension Flex
OEM
Original price £1.99 - Original price £1.99Original price£1.99 £1.66 Excl. VAT£1.99 - £1.99Current price £1.99 £1.66 Excl. VAT
SKU RO52868For Apple iPhone 7 / 8 Replacement Touch ID Extension Flex This replacement part is made from quality materials and precision machining Apple i...
View full detailsOriginal price £1.99 - Original price £1.99Original price£1.99 £1.66 Excl. VAT£1.99 - £1.99Current price £1.99 £1.66 Excl. VATSave £0.00 Save £-1.99 -
For Apple iPhone 8 Replacement NFC Coil Charging Port Transition Flex
OEM
Original price £1.99 - Original price £1.99Original price£1.99 £1.66 Excl. VAT£1.99 - £1.99Current price £1.99 £1.66 Excl. VAT
SKU RO52904For Apple iPhone 8 Replacement NFC Coil Charging Port Transition Flex This replacement part is made from quality materials and precision machinin...
View full detailsOriginal price £1.99 - Original price £1.99Original price£1.99 £1.66 Excl. VAT£1.99 - £1.99Current price £1.99 £1.66 Excl. VATSave £0.00 Save £-1.99 -
For Apple iPhone 8 / SE2 Replacement Button Set (Black)
OEM
Original price £2.99 - Original price £2.99Original price£2.99 £2.49 Excl. VAT£2.99 - £2.99Current price £2.99 £2.49 Excl. VAT
SKU RO52906For Apple iPhone 8 / SE 2020 Replacement Button Set (Black) This replacement part is made from quality materials and precision machining Apple iP...
View full detailsOriginal price £2.99 - Original price £2.99Original price£2.99 £2.49 Excl. VAT£2.99 - £2.99Current price £2.99 £2.49 Excl. VATSave £0.00 Save £-2.99 -
For Apple iPhone 8 / SE2 Replacement Button Set (Gold)
OEM
Original price £3.49 - Original price £3.49Original price£3.49 £2.91 Excl. VAT£3.49 - £3.49Current price £3.49 £2.91 Excl. VAT
SKU RO52909For Apple iPhone 8 / SE 2020 Replacement Button Set (Gold) This replacement part is made from quality materials and precision machining Apple iPh...
View full detailsOriginal price £3.49 - Original price £3.49Original price£3.49 £2.91 Excl. VAT£3.49 - £3.49Current price £3.49 £2.91 Excl. VATSave £0.00 Save £-3.49 -
For Apple iPhone 8 / SE2 Replacement Button Set (Silver)
OEM
Original price £2.49 - Original price £2.49Original price£2.49 £2.08 Excl. VAT£2.49 - £2.49Current price £2.49 £2.08 Excl. VAT
SKU RO52911For Apple iPhone 8 / SE 2020 Replacement Button Set (Silver) This replacement part is made from quality materials and precision machining Apple i...
View full detailsOriginal price £2.49 - Original price £2.49Original price£2.49 £2.08 Excl. VAT£2.49 - £2.49Current price £2.49 £2.08 Excl. VATSave £0.00 Save £-2.49 -
For Apple iPhone 8 / SE2 Replacement Button Set (Red)
OEM
Original price £2.49 - Original price £2.49Original price£2.49 £2.08 Excl. VAT£2.49 - £2.49Current price £2.49 £2.08 Excl. VAT
SKU RO52912For Apple iPhone 8 / SE 2020 Replacement Button Set (Red) This replacement part is made from quality materials and precision machining Apple iPho...
View full detailsOriginal price £2.49 - Original price £2.49Original price£2.49 £2.08 Excl. VAT£2.49 - £2.49Current price £2.49 £2.08 Excl. VATSave £0.00 Save £-2.49 -
For Apple iPhone 8 / 8 Plus Replacement Proximity Sensor Bracket
OEM
Original price £0.99 - Original price £0.99Original price£0.99 £0.83 Excl. VAT£0.99 - £0.99Current price £0.99 £0.83 Excl. VAT
SKU RO52924For Apple iPhone 8 / 8 Plus Replacement Proximity Sensor Bracket This replacement part is made from quality materials and precision machining Ap...
View full detailsOriginal price £0.99 - Original price £0.99Original price£0.99 £0.83 Excl. VAT£0.99 - £0.99Current price £0.99 £0.83 Excl. VATSave £0.00 Save £-0.99 -
For Apple iPhone 8 / SE2 2020 Replacement Front Bezel Frame (Black)
OEM
Original price £3.49 - Original price £3.49Original price£3.49 £2.91 Excl. VAT£3.49 - £3.49Current price £3.49 £2.91 Excl. VAT
SKU RO52926For Apple iPhone 8 / SE2 2020 Replacement Front Bezel Frame (Black) This replacement part is made from quality materials and precision machi...
View full detailsOriginal price £3.49 - Original price £3.49Original price£3.49 £2.91 Excl. VAT£3.49 - £3.49Current price £3.49 £2.91 Excl. VATSave £0.00 Save £-3.49 -
For Apple iPhone 8 / SE2 2020 Replacement Front Bezel Frame (White)
OEM
Original price £1.99 - Original price £1.99Original price£1.99 £1.66 Excl. VAT£1.99 - £1.99Current price £1.99 £1.66 Excl. VAT
SKU RO52928For Apple iPhone 8 / SE2 2020 Replacement Front Bezel Frame (White) This replacement part is made from quality materials and precision mach...
View full detailsOriginal price £1.99 - Original price £1.99Original price£1.99 £1.66 Excl. VAT£1.99 - £1.99Current price £1.99 £1.66 Excl. VATSave £0.00 Save £-1.99 -
For Apple iPhone 8 Replacement Loudspeaker Mesh
OEM
Original price £0.99 - Original price £0.99Original price£0.99 £0.83 Excl. VAT£0.99 - £0.99Current price £0.99 £0.83 Excl. VAT
SKU RO52931For Apple iPhone 8 Replacement Loudspeaker Mesh This replacement part is made from quality materials and precision machining Apple iPhone 8 ...
View full detailsOriginal price £0.99 - Original price £0.99Original price£0.99 £0.83 Excl. VAT£0.99 - £0.99Current price £0.99 £0.83 Excl. VATSave £0.00 Save £-0.99 -
For Apple iPhone 8 / SE 2020 Replacement LCD Plate
OEM
Original price £1.99 - Original price £1.99Original price£1.99 £1.66 Excl. VAT£1.99 - £1.99Current price £1.99 £1.66 Excl. VAT
SKU RO52996For Apple iPhone 8 / SE 2020 Replacement LCD Plate This replacement part is made from quality materials and precision machining Apple iPhone ...
View full detailsOriginal price £1.99 - Original price £1.99Original price£1.99 £1.66 Excl. VAT£1.99 - £1.99Current price £1.99 £1.66 Excl. VATSave £0.00 Save £-1.99 -
For Apple iPhone 8 Replacement LCD Backlight
OEM
Original price £2.99 - Original price £2.99Original price£2.99 £2.49 Excl. VAT£2.99 - £2.99Current price £2.99 £2.49 Excl. VAT
SKU RO8043For Apple iPhone 8 Replacement LCD Backlight OEM best quality in the market This replacement part is made from quality materials and precision ma...
View full detailsOriginal price £2.99 - Original price £2.99Original price£2.99 £2.49 Excl. VAT£2.99 - £2.99Current price £2.99 £2.49 Excl. VATSold out -
For iPhone 8 White Replacement 6in1 Front Glass with Frame, OCA, Polariser, Ear Mesh and Small Parts
OEM
Original price £5.49 - Original price £5.49Original price£5.49 £4.58 Excl. VAT£5.49 - £5.49Current price £5.49 £4.58 Excl. VAT
SKU RO8053Please note, this item is only for professional engineers with the re-glassing work or re-laminating works. This is not suitable for DIY and repai...
View full detailsOriginal price £5.49 - Original price £5.49Original price£5.49 £4.58 Excl. VAT£5.49 - £5.49Current price £5.49 £4.58 Excl. VATSold out -
For iPhone 8 Black Replacement 6in1 Front Glass with Frame, OCA, Polariser, Ear Mesh and Small Parts
OEM
Original price £5.49 - Original price £5.49Original price£5.49 £4.58 Excl. VAT£5.49 - £5.49Current price £5.49 £4.58 Excl. VAT
SKU RO8007Please note, this item is only for professional engineers with the re-glassing work or re-laminating works. This is not suitable for DIY and repai...
View full detailsOriginal price £5.49 - Original price £5.49Original price£5.49 £4.58 Excl. VAT£5.49 - £5.49Current price £5.49 £4.58 Excl. VATSold out -
For Apple iPhone 8 / 8 Plus / X / XS / XR / XS Max / 11 / 11 Pro / 11 Pro Max Replacement USB-PD Charging IC
OEM
Original price £3.99 - Original price £3.99Original price£3.99 £3.33 Excl. VAT£3.99 - £3.99Current price £3.99 £3.33 Excl. VAT
SKU RO62037For Apple iPhone 8 / 8 Plus / X / XS / XR / XS Max / 11 / 11 Pro / 11 Pro Max Replacement USB-PD Charging IC Compatibility: iPhone 8 / 8 Plus / X...
View full detailsOriginal price £3.99 - Original price £3.99Original price£3.99 £3.33 Excl. VAT£3.99 - £3.99Current price £3.99 £3.33 Excl. VATSave £0.00 Save £-3.99 -
For Apple iPhone 8 / 8 Plus / X / XS / XR / XS Max / 11 / 11 Pro / 11 Pro Max Replacement Gyroscope IC
OEM
Original price £3.99 - Original price £3.99Original price£3.99 £3.33 Excl. VAT£3.99 - £3.99Current price £3.99 £3.33 Excl. VAT
SKU RO62051For Apple iPhone 8 / 8 Plus / X / XS / XR / XS Max / 11 / 11 Pro / 11 Pro Max Replacement Gyroscope IC Compatibility: iPhone 8 / 8 Plus / X / XS ...
View full detailsOriginal price £3.99 - Original price £3.99Original price£3.99 £3.33 Excl. VAT£3.99 - £3.99Current price £3.99 £3.33 Excl. VATSave £0.00 Save £-3.99 -
For Apple iPhone 8 / 8 Plus / X / XS / XR / XS Max / 11 / 11 Pro / 11 Pro Max / iPad Air 3 Replacement Hydra USB Charging Controller IC
OEM
Original price £3.99 - Original price £3.99Original price£3.99 £3.33 Excl. VAT£3.99 - £3.99Current price £3.99 £3.33 Excl. VAT
SKU RO62058For Apple iPhone 8 / 8 Plus / X / XS / XR / XS Max / 11 / 11 Pro / 11 Pro Max / iPad Air 3 Replacement Hydra USB Charging Controller IC Compatibi...
View full detailsOriginal price £3.99 - Original price £3.99Original price£3.99 £3.33 Excl. VAT£3.99 - £3.99Current price £3.99 £3.33 Excl. VATSave £0.00 Save £-3.99 -
For Apple iPhone 8 - 14 Pro Max Replacement Gyroscope IC
OEM
Original price £2.99 - Original price £2.99Original price£2.99 £2.49 Excl. VAT£2.99 - £2.99Current price £2.99 £2.49 Excl. VAT
SKU RO82119Oem Apple iPhone 8 - 14 Pro Max Replacement Gyroscope IC This replacement part is made from quality materials and precision machining No solderin...
View full detailsOriginal price £2.99 - Original price £2.99Original price£2.99 £2.49 Excl. VAT£2.99 - £2.99Current price £2.99 £2.49 Excl. VATSold out -
For Apple iPhone 6s-11 Series Replacement Backlight IC
OEM
Original price £1.99 - Original price £1.99Original price£1.99 £1.66 Excl. VAT£1.99 - £1.99Current price £1.99 £1.66 Excl. VAT
SKU RO82154Oem Apple iPhone 6s-11 Series Replacement Backlight IC This replacement part is made from quality materials and precision machining No soldering ...
View full detailsOriginal price £1.99 - Original price £1.99Original price£1.99 £1.66 Excl. VAT£1.99 - £1.99Current price £1.99 £1.66 Excl. VATSave £0.00 Save £-1.99
How to know if your iPhone needs new parts
iPhone products may become faulty after a few years of use. You will notice signs of wear on the touchscreen, the battery life will get progressively worse and the iPhone will become sluggish.
When you notice any of these signs, you should check in at your nearest iPhone repair store for a test.
The importance of having high-quality replacement parts
When paying for products and services, you want to guarantee that the items purchased will work. Buying iPhone 8 repair parts is no different.
We stock high-quality iPhone 8 replacement products. All repair products are tested for authenticity and working order.
As a trusted seller on TrustPilot, you can make your purchase with confidence.
Be aware when purchasing iPhone 8 spare parts from shops in your region and always make sure they are trusted and come with positive reviews from customers.
Available iPhone 8 parts
iPhone 8 screen replacement
Our Genuine Apple screens are factory refurbished to the highest possible standards using original iPhone 8 digitizer, Display Unit and OEM quality glass with cold-pressed frames, oleophobic coating and the same hardness rating as the original Apple glass. Available in black or white.
We also offer low-cost aftermarket screen replacements. It is a complete iPhone 8 replacement screen. Made with premium components and available in black or white. For a top-quality LCD display touch screen at lower cost, this is the perfect choice. Features include:
- Cold-pressed frame
- Front camera bracket
- Proximity sensor bracket
- Ear Speaker mesh
- 360 Degree Polarizer
- Premium Grade LCD and flex cable s
- Enhanced Specular Reflector
- 40 point QC inspection
iPhone 8 replacement battery
We stock replacement Aftermarket iPhone 8 batteries at affordable prices. All Apple batteries are tried and tested in-store to manufacturer specifications and 100% compatible.
iPhone 8 front and rear camera replacement
Our iPhone 8 camera replacement module and replacement front camera/proximity sensor are made from high-quality materials and rigorously tested before being sold. These items include flexes and require no soldering to make replacement more accessible for those of any ability.
iPhone 8 back glass and housing replacement
Genuine iPhone 8 housing replacements and back glass for all models of iPhone 8, including rose gold, space grey, sliver, white and red. The iPhone housing includes sim tray and buttons.
These items can be replaced at home but we do also offer a professional replacement service in addition to the purchase of spare iPhone parts.
Small Parts
Other iPhone repair parts we stock include:
- iPhone sim card tray (available in various colours)
- Replacement earpiece and loudspeaker
- Antenna FLEX parts, Bluetooth, WIFI, and loudspeaker connection.
- Replacement Home-button (available in various colours)
- Taptic Vibrator Motor
We also supply stuff like screws, original iPhone 8 packaging box, IC chips and repair kit. If you can't find a specific part for the iPhone 8 online, please contact us via phone or live chat and we will gladly assist you.
Buy iPhone parts for sale today
Orders made before 3 pm weekdays are dispatched the same day and have next day delivery options.
Making orders through our website is easy and fast!
We’ve had over 2,000 reviews on TrustPilot and our team is dedicated to providing excellent customer service throughout your purchasing journey.
FAQs
How do I know if my iPhone digitizer is broke?
Your iPhone digitizer sits beneath the screen and translates your touch into actions. If you notice that your iPhone isn't responding to your touch or is responding sluggishly, this could suggest that the digitizer isn't working at its best and it may be time for a replacement.
How do I fix the digitizer on my iPhone 8?
Repair Outlet stocks iPhone digitizers along with a new LCD screen in black or white. These components go together to completely replace the screen of your iPhone. To remove your original iPhone screen, you may need some specialist tools like a heating pad and suction cups.
How much does it cost to replace iPhone 8 back glass?
If you're replacing it yourself, our iPhone 8 back glass replacement costs only £4.99 for a high-quality component that is carefully tested before it's sold.
However, replacing the back glass on an iPhone is incredibly difficult due to the manufacturing processes used by Apple and can not often be done by those without access to the right tools.
Can you remove iPhone 8 back glass yourself?
It's not recommended to remove the iPhone 8 back glass yourself. Apple uses high pressure and adhesive to attach the housing and the glass together and extremely high temperatures would be needed to remove the glass from the original housing.
We do sell iPhone 8 housing replacements which wouldn't require the back glass to be replaced separately so this would be an effective alternative for those who would like to repair themselves but don't have the facilities to replace the glass.