iPhone 11 Battery Replacement – Full Step-by-Step Repair Guide!

All parts and tools in this video are supplied by our trusted sponsor, Mobile Sentrix — one of the leading providers of genuine and high-quality parts for phone-repair professionals. 🧰 If you’re looking for the same iPhone 11 battery, adhesives, or professional-grade tools used in this repair, check them out here 👇 https://www.mobilesentrix.co.uk/customer/account/retail?utm_source=idoctoruk&utm_medium=banner&utm_campaign=idoctorukuser&fjxjGGJSDM8NxHzINa6doA=lfd1shqZu9gHTK37wSlw In this detailed repair guide, I’ll show you exactly how to replace the battery on an iPhone 11, covering safe disassembly, adhesive removal, battery installation, and full post-repair testing. Whether your iPhone 11 is draining quickly, shutting off early, or showing “Service” in Battery Health, this tutorial walks you through the complete process step by step. 🔧 You’ll Learn: 🔥 Safe Disassembly – How to open the iPhone 11 without damaging the display or Face ID system. 🧽 Adhesive Removal – Properly removing the battery pull-tabs and internal seal without puncturing the cell. 🔋 New Battery Installation – Aligning, securing, and reconnecting the replacement battery safely. ⚙️ Testing & Verification – Checking battery health, temperature, and overall performance after installation. 💡 Pro Tips – Avoiding screw map mistakes, preventing flex-cable damage, and keeping the job clean and professional. 🔍 Good For Anyone Searching: • “How to replace iPhone 11 battery” • “iPhone 11 battery replacement UK” • “iPhone 11 repair guide” • “Fix iPhone 11 battery draining fast” • “iPhone 11 battery service message” 🧰 Tools Used: • Qianli Screwdriver Set • iPhone 11 Battery & Adhesive • Plastic Pry Tools • Mechanic Adhesive Remover • m360 Diagnostic App for post-repair testing • Heat pad / Open mat Whether you’re a technician, a shop owner, or someone confident with DIY repairs, this video shows how to carry out a clean, safe, and professional iPhone 11 battery replacement from start to finish. 🧠 Learn. Repair. Save. Subscribe for more in-depth iPhone repair tutorials, teardown guides, and real shop-floor content from iDoctor UK.