Uploaded April 2026 | Updated September 2026, 2 weeks ago
Replace the iPhone 17 battery to fix fast battery drain, low Maximum Capacity, and the Battery Health Service warning, then calibrate it with Repair Assistant.
Buy tools and parts on AMAZON:
Screwdriver Set: hfixt.com/spro
Pro Toolkit: hfixt.com/tool
Magnetic Mat: hfixt.com/mat
Tweezers: hfixt.com/tzrs
Adhesive tape: amzn.to/46MKZtG
Battery: amzn.to/4bc8YUj
AliExpress:
Adhesive tape: https://s.click.aliexpress.com/e/_c2xyKEXl
Battery: https://s.click.aliexpress.com/e/_c4ql1ix9
Screwdriver Set: hfixt.com/alis
Opening Tool Kit: hfixt.com/alit
Magnetic Mat: hfixt.com/amat
Tweezers set: hfixt.com/altz
đź“Ś*Useful links*
Best Screwdriver Set: youtu.be/fdtNem4rDDM
Repair Tools & Safety Tips: youtu.be/Sp7PhrKV-vQ
More DIY repair guides: how-fixit.com
Genuine Apple parts: selfservicerepair.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*
Is your iPhone 17 battery draining fast? Has Maximum Capacity dropped below 80% and Battery Health started showing a Service warning? In this step-by-step iPhone 17 battery replacement guide, I’ll show you how to safely remove the old battery, install a new one, calibrate it with Repair Assistant, and restore dust and moisture protection with new adhesive sealing tape.
If this guide helped you, like the video and subscribe to HowFixit for more detailed DIY iPhone repair tutorials.
🎬 Timecodes
00:00 Intro to iPhone 17 Battery Replacement Guide
00:23 Tools and parts needed
01:03 Remove the bottom screws
01:11 Heat the back glass
01:32 Create a gap and start opening
02:13 Important pry depth warning
02:53 Release the top hinges
03:08 Open and remove the back glass
03:24 Disconnect the battery
03:32 Prepare the 9V battery removal method
04:02 Release and remove the old battery
04:29 Clean adhesive residue
04:39 Install the new battery
04:55 Reconnect cables and first power-on test
05:19 Calibrate battery with Repair Assistant
05:34 Confirm battery health and performance
05:55 Remove old waterproof adhesive
06:48 Apply new sealing tape
07:24 Reconnect cables and reinstall bracket
07:56 Close the back glass and final screws
🌟FAQ:
âť“Question: What is Repair Assistant after battery replacement?
✔️Answer: Repair Assistant helps calibrate the new battery so the iPhone can properly report battery health and performance information.
âť“Question: Will replacing the battery remove the Service warning?
✔️Answer: After proper installation and calibration with Repair Assistant, the battery status should display correctly.
âť“Question: Do I need to replace the waterproof adhesive?
✔️Answer: Yes. Once the phone is opened, the original adhesive no longer seals properly. New adhesive helps restore dust and moisture protection.
âť“Question: Why use a 9V battery to remove the iPhone 17 battery?
✔️Answer: The iPhone 17 battery adhesive is electrically released, so a stable 9V connection helps detach the battery safely without bending it.
AFFILIATE PROGRAM
As an Amazon Associate, I earn from qualifying purchases.
#iphone17 #iphonerepair #diy #howfixit
Replace the iPhone 17 battery to fix fast battery drain, low Maximum Capacity, and the Battery Health Service warning, then calibrate it with Repair Assistant.
Buy tools and parts on AMAZON:
Screwdriver Set: hfixt.com/spro
Pro Toolkit: hfixt.com/tool
Magnetic Mat: hfixt.com/mat
Tweezers: hfixt.com/tzrs
Adhesive tape: amzn.to/46MKZtG
Battery: amzn.to/4bc8YUj
AliExpress:
Adhesive tape: https://s.click.aliexpress.com/e/_c2xyKEXl
Battery: https://s.click.aliexpress.com/e/_c4ql1ix9
Screwdriver Set: hfixt.com/alis
Opening Tool Kit: hfixt.com/alit
Magnetic Mat: hfixt.com/amat
Tweezers set: hfixt.com/altz
đź“Ś*Useful links*
Best Screwdriver Set: youtu.be/fdtNem4rDDM
Repair Tools & Safety Tips: youtu.be/Sp7PhrKV-vQ
More DIY repair guides: how-fixit.com
Genuine Apple parts: selfservicerepair.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*
Is your iPhone 17 battery draining fast? Has Maximum Capacity dropped below 80% and Battery Health started showing a Service warning? In this step-by-step iPhone 17 battery replacement guide, I’ll show you how to safely remove the old battery, install a new one, calibrate it with Repair Assistant, and restore dust and moisture protection with new adhesive sealing tape.
If this guide helped you, like the video and subscribe to HowFixit for more detailed DIY iPhone repair tutorials.
🎬 Timecodes
00:00 Intro to iPhone 17 Battery Replacement Guide
00:23 Tools and parts needed
01:03 Remove the bottom screws
01:11 Heat the back glass
01:32 Create a gap and start opening
02:13 Important pry depth warning
02:53 Release the top hinges
03:08 Open and remove the back glass
03:24 Disconnect the battery
03:32 Prepare the 9V battery removal method
04:02 Release and remove the old battery
04:29 Clean adhesive residue
04:39 Install the new battery
04:55 Reconnect cables and first power-on test
05:19 Calibrate battery with Repair Assistant
05:34 Confirm battery health and performance
05:55 Remove old waterproof adhesive
06:48 Apply new sealing tape
07:24 Reconnect cables and reinstall bracket
07:56 Close the back glass and final screws
🌟FAQ:
âť“Question: What is Repair Assistant after battery replacement?
✔️Answer: Repair Assistant helps calibrate the new battery so the iPhone can properly report battery health and performance information.
âť“Question: Will replacing the battery remove the Service warning?
✔️Answer: After proper installation and calibration with Repair Assistant, the battery status should display correctly.
âť“Question: Do I need to replace the waterproof adhesive?
✔️Answer: Yes. Once the phone is opened, the original adhesive no longer seals properly. New adhesive helps restore dust and moisture protection.
âť“Question: Why use a 9V battery to remove the iPhone 17 battery?
✔️Answer: The iPhone 17 battery adhesive is electrically released, so a stable 9V connection helps detach the battery safely without bending it.
AFFILIATE PROGRAM
As an Amazon Associate, I earn from qualifying purchases.
#iphone17 #iphonerepair #diy #howfixit
