How To: iPhone 6S Battery Replacement done in 2 minutes - YouTube
Apple 'Service' Alerts for DIY iPhone Battery Swaps Are a Blow Against Right to Repair | WIRED
Amazon.com: FullBloom DIY Replacement Battery for iPhone 6 High Capacity 2200 mAh with Repair Tools1 Year Warranty Comprehensively Balance to Strive for Stable Battery Performance Stable Product Performance…… : Cell Phones & Accessories
I Tried Apple's Self-Repair Program With My iPhone. Disaster Ensued. - The New York Times
Apple iPhone 6 Battery Replacement DIY KIT
DIY iPhone 6 Battery Replacement - Very Easy! - YouTube