Uploaded May 2025 | Updated September 2026, 2 weeks ago
Learn how to safely replace the back glass cover on your Apple Watch Series 9—step by step—so you can restore charging, sensor function, and waterproofing.
Buy tools and parts on AMAZON:
Screwdriver Set: hfixt.com/spro
Opening Tool Set: hfixt.com/tool
Tweezers: hfixt.com/tzrs
Glue B7000: hfixt.com/b700
Global AliExpress:
Screwdriver Set: hfixt.com/alis
Opening Tools: hfixt.com/alit
Tweezers set: hfixt.com/altz
Glue B7000: hfixt.com/alb7
Back Glass: https://s.click.aliexpress.com/e/_oDKDJoi
📌*Useful links*
Best Screwdriver Set: youtu.be/fdtNem4rDDM
Repair Tools & Safety Tips: youtu.be/Sp7PhrKV-vQ
More DIY repair guides: how-fixit.com
📱Follow us for more tech tips and guides!
TikTok: tiktok.com/@howfixit
Instagram: instagram.com/howfixit
Facebook: facebook.com/HowFixit
X: https://x.com/HowFixit
*Description*
Learn how to replace the back cover assembly on your Apple Watch Series 9 in this complete, step-by-step tutorial. Whether your sensors have stopped working, the watch won’t charge, or the glass is shattered, we’ll walk you through each tool, technique, and safety tip to restore full functionality.
🛠️ Tools Required:
🔹Tri-Wing Y0.8 mm screwdriver
🔹Plastic pry tools & curved blade
🔹Tweezers & spudger
🔹Screen disassembly tool
🔹B7000 glue & adhesive gasket
🔹Screen clamp & magnetic mat
What You’ll Learn:
✅ Safely removing the display without damage
✅ Disconnecting battery and ribbon cables
✅ Removing vibration motor, speaker, and back cover
✅ Installing new back glass assembly with silicone gasket
✅ Testing heart-rate sensor, SpO₂, and wireless charging
✅ Restoring waterproof seal
🎬Time Codes:
00:00 – Intro to Back Cover Replacement Guide
00:17 – Tools Overview
01:07 – Turn Off & Warm Display
01:33 – Opening the Display Safely
02:12 – Disconnecting Ribbon Cables
03:17 – Battery Removal Technique
04:20 – Vibration Motor & Speaker Removal
05:57 – Back Cover Screw Removal
07:00 – Prying Off Cracked Back Glass
08:45 – Back Cover Replacement
09:07 – Cleaning & Preparing Frame
09:38 – Installing New Silicone Gasket
11:37 – Aligning & Securing New Back Cover
13:47 – Reinstalling Speaker & Motor
15:26 – Reconnecting Display & Battery
16:30 – Sensor & Charging Test
17:06 – Restoring waterproof seal
19:25 – Final Tips & Outro
🌟FAQ:
❓Question: Is this repair safe for beginners?
✔️Answer: Yes—if you follow the steps carefully, use the right tools, and work on a clean surface, even DIYers can handle it.
❓Question: Will my Apple Watch retain water resistance?
✔️Answer: You’ll restore basic splash resistance using the silicone gasket and B7000 glue, but avoid full submersion.
❓Question: How long does the glue take to cure?
✔️Answer: Surface-dry in ~6 minutes, handle gently after 45 minutes, full cure in 24 hours under clamp pressure.
❓Question: Do I need to replace the gasket?
✔️Answer: Always install a new gasket if available. If your old one is in good shape, you can reinforce it with B7000 glue.
❓Question: Where can I buy the parts?
✔️Answer: Links to the Apple Watch Series 9 back cover assembly and recommended tools are in the video description.
AFFILIATE PROGRAM
We are a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for us to earn fees by linking to Amazon.com and affiliated sites.
#applewatch #howfixit #applewatchrepair #diy #diyrepair #teardown
Learn how to safely replace the back glass cover on your Apple Watch Series 9—step by step—so you can restore charging, sensor function, and waterproofing.
Buy tools and parts on AMAZON:
Screwdriver Set: hfixt.com/spro
Opening Tool Set: hfixt.com/tool
Tweezers: hfixt.com/tzrs
Glue B7000: hfixt.com/b700
Global AliExpress:
Screwdriver Set: hfixt.com/alis
Opening Tools: hfixt.com/alit
Tweezers set: hfixt.com/altz
Glue B7000: hfixt.com/alb7
Back Glass: https://s.click.aliexpress.com/e/_oDKDJoi
📌*Useful links*
Best Screwdriver Set: youtu.be/fdtNem4rDDM
Repair Tools & Safety Tips: youtu.be/Sp7PhrKV-vQ
More DIY repair guides: how-fixit.com
📱Follow us for more tech tips and guides!
TikTok: tiktok.com/@howfixit
Instagram: instagram.com/howfixit
Facebook: facebook.com/HowFixit
X: https://x.com/HowFixit
*Description*
Learn how to replace the back cover assembly on your Apple Watch Series 9 in this complete, step-by-step tutorial. Whether your sensors have stopped working, the watch won’t charge, or the glass is shattered, we’ll walk you through each tool, technique, and safety tip to restore full functionality.
🛠️ Tools Required:
🔹Tri-Wing Y0.8 mm screwdriver
🔹Plastic pry tools & curved blade
🔹Tweezers & spudger
🔹Screen disassembly tool
🔹B7000 glue & adhesive gasket
🔹Screen clamp & magnetic mat
What You’ll Learn:
✅ Safely removing the display without damage
✅ Disconnecting battery and ribbon cables
✅ Removing vibration motor, speaker, and back cover
✅ Installing new back glass assembly with silicone gasket
✅ Testing heart-rate sensor, SpO₂, and wireless charging
✅ Restoring waterproof seal
🎬Time Codes:
00:00 – Intro to Back Cover Replacement Guide
00:17 – Tools Overview
01:07 – Turn Off & Warm Display
01:33 – Opening the Display Safely
02:12 – Disconnecting Ribbon Cables
03:17 – Battery Removal Technique
04:20 – Vibration Motor & Speaker Removal
05:57 – Back Cover Screw Removal
07:00 – Prying Off Cracked Back Glass
08:45 – Back Cover Replacement
09:07 – Cleaning & Preparing Frame
09:38 – Installing New Silicone Gasket
11:37 – Aligning & Securing New Back Cover
13:47 – Reinstalling Speaker & Motor
15:26 – Reconnecting Display & Battery
16:30 – Sensor & Charging Test
17:06 – Restoring waterproof seal
19:25 – Final Tips & Outro
🌟FAQ:
❓Question: Is this repair safe for beginners?
✔️Answer: Yes—if you follow the steps carefully, use the right tools, and work on a clean surface, even DIYers can handle it.
❓Question: Will my Apple Watch retain water resistance?
✔️Answer: You’ll restore basic splash resistance using the silicone gasket and B7000 glue, but avoid full submersion.
❓Question: How long does the glue take to cure?
✔️Answer: Surface-dry in ~6 minutes, handle gently after 45 minutes, full cure in 24 hours under clamp pressure.
❓Question: Do I need to replace the gasket?
✔️Answer: Always install a new gasket if available. If your old one is in good shape, you can reinforce it with B7000 glue.
❓Question: Where can I buy the parts?
✔️Answer: Links to the Apple Watch Series 9 back cover assembly and recommended tools are in the video description.
AFFILIATE PROGRAM
We are a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for us to earn fees by linking to Amazon.com and affiliated sites.
#applewatch #howfixit #applewatchrepair #diy #diyrepair #teardown
