The standard iPhone 16 uses electrically released battery adhesive, unlike the iPhone 15’s stretch-release strips. Battery service needs the right debonding equipment and a replacement seal.
What to check before buying
iFixit score
7/10 · Rubric v1.9. Source: Smartphone repairability scores (iFixit). How to read the score.
Battery adhesive
Apple and iFixit document electrically released battery adhesive on the standard iPhone 16. It needs electrical debonding equipment, unlike the iPhone 15’s stretch-release strips. The Pro models use different procedures.
Other replaceable parts
Apple’s manual also covers the back glass, speakers and cameras. Some replacements require Repair Assistant or System Configuration after assembly. Frame damage or liquid exposure can add work beyond replacing one part.