iPhone 4 with Puffed-Up Battery Teardown

Tearing down a 20 year old iPhone 4 with a swollen battery (not a thermal runaway) … ↓↓↓ Complete description, time index and links below ↓↓↓ I’m still working on a new video about the full fly by wire electric outboard project (link below). So meanwhile we’ll take a 20 year old iPhone 4 8GB with a puffed-up battery apart. The culprit here was not a thermal runaway, but self-discharge. 00:00 Intro – too busy, so we do another teardown 00:36 Walk around – odd button/connector placement 03:39 Disassembly 1 – it came pre-disassembled 07:15 Vibrator – the tiniest motor with an imbalance 07:40 Disassembly 2 – things are getting a lot harder 12:31 Headset connector – is its own module 13:12 Disassembly 3 – making only slow progress 20:54 Mute switch & volume buttons – really tiny 21:25 Disassembly 3 – going for a spudger attack 25:46 Microphone and speaker grill – self-explanatory 26:03 Power button – self-contained tactile switch 26:09 Frame – never intended to be taken apart 27:08 Apple connector – the old style one 27:17 Microphone – the tiniest thing ever 27:42 Board – L-shaped with lots of cans 28:09 Back camera – a single module with LED light 28:28 Front camera – chip and lens separate 29:05 Antenna 1 – first connection to the metal frame 29:23 Display – leaking liquid crystals (had to dispose it) 30:19 Antenna 2 – second connection to the metal frame 31:46 Speaker – tiny with a large resonance cavity 33:58 Battery – self-discharged to destruction 37:05 Wrap-up – next is full fly-by-wire again, bye Teardowns    • Teardowns   Full Fly-by-Wire Electric Outboard    • Full Fly-by-Wire Electric Outboard   #apple #iphone #liion #liionbattery, #lithiumbattery, #lithiumbattery, #teardown #disassembly #disassembling #robertssmorgasbord