Battery

iPhone Air battery draining fast or showing a Service warning? Replace the battery step-by-step, release adhesive safely, restore water resistance, and calibrate with Repair Assistant. Buy tools and parts on AMAZON: Screwdriver Set: https://hfixt.com/spro Pro Toolkit: https://hfixt.com/tool Magnetic Mat: https://hfixt.com/mat Tweezers: https://hfixt.com/tzrs Adhesive tape: https://amzn.to/45F7pwr Battery: https://amzn.to/4bz3s0a AliExpress: Adhesive tape: https://s.click.aliexpress.com/e/_c3wku9hD Battery: https://s.click.aliexpress.com/e/_c3ece5ET Screwdriver Set: https://hfixt.com/alis Opening Tool Kit: https://hfixt.com/alit Magnetic Mat: https://hfixt.com/amat Tweezers set: https://hfixt.com/altz 📌*Useful links* Best Screwdriver Set: https://youtu.be/fdtNem4rDDM Repair Tools & Safety Tips: https://youtu.be/Sp7PhrKV-vQ More DIY repair guides: https://how-fixit.com Genuine Apple parts: selfservicerepair.com 📱Follow us for more tech tips and guides! TikTok: https://www.tiktok.com/@howfixit Instagram: https://www.instagram.com/howfixit/ Facebook: https://www.facebook.com/HowFixit/ X: https://x.com/HowFixit *Description* If your iPhone Air battery drains fast, shuts down randomly, or Maximum Capacity is below 80% with a Battery Health Service warning, this step-by-step guide is for you. In this video, you’ll learn how to replace the iPhone Air battery safely, remove the back glass, and use a 9V battery to release the electrically released adhesive without damaging the phone. After installation, I’ll show you how to calibrate the new battery using Repair Assistant (Parts & Service History) so charging and Battery Health behave normally. We’ll also cover the essentials for a clean reassembly: testing key functions, and applying new adhesive sealing tape to restore water resistance. HowFixit – DIY electronics repair guides. 🎬 Timecodes: 00:00 Intro + symptoms (fast drain, shutdowns, Service warning) 00:29 Tools you’ll need (incl. 9V + sealing tape) 00:54 Why use a magnetic mat (screw organization) 01:12 Remove bottom screws (USB-C) + Heat back glass (hair dryer) 01:40 Suction cup + blade gap (start opening) 02:49 Release top hinges + open carefully (cable attached) 03:12 Remove brackets + disconnect battery & coil 03:37 Remove back glass + protect camera lens 03:52 iPhone Air electrically released battery adhesive (9V method) 04:05 Clip red to tab + black to ground screw (bottom speaker) 04:30 Hold 60–90 seconds (stable connection) 04:49 Release second tab + lift battery with suction cup 05:05 Troubleshooting: battery won’t release (weak 9V / poor contact) 05:24 Install new battery + apply adhesive (if needed) 05:39 Reconnect cables + first boot test 06:00 Repair Assistant calibration (Parts & Service History) 06:14 Confirm no warnings + 10-minute drain test 06:48 Remove old adhesive + prep for reseal 07:11 Apply new sealing tape (water resistance note) 07:36 Reconnect coil & battery + reinstall brackets 08:24 Close back glass + reinstall bottom screws 🌟FAQ: ❓Question: Do I need Repair Assistant after replacing the iPhone Air battery? ✔️Answer: Yes—calibration in Parts & Service History helps the phone recognize the new battery so charging and Battery Health reporting behave normally. ❓Question: What if the electrically released adhesive won’t release with a 9V battery? ✔️Answer: Most common causes are a weak 9V battery or unstable/dirty contact at the tabs or ground point. Use a fresh 9V and ensure solid clips. ❓Question: Do I need adhesive on the replacement battery? ✔️Answer: Yes. If it’s not pre-installed, apply battery adhesive before placing it so it seats correctly and doesn’t move inside the housing. AFFILIATE PROGRAM As an Amazon Associate, I earn from qualifying purchases. #iphoneair #iphonerepair #diyrepair #howfixit