Universal 4-pole Cell Phone headset pinout

Apple iPhone headset

iPhone 3G 16GB , iPhone 3G 8GB , iPhone 3G S 16GB , iPhone 3G S 32GB , iPhone 4 16GB , iPhone 4 32GB, Apple iPad, AT&T iPhone 4, iPad 2, iPhone, iPhone 3G, iPhone 3GS, iPod Mini, Verizon iPhone 4 CDMA   

Alcatel headset compatible

Tribe OT-980 / OT-980A

Blackberry headset compatible 

8120 Pearl 2, 8130 Pearl 2, 8220 Pearl Flip, 8230 Pearl Flip, 8530 Curve, 9000 Bold / Javelin / Niagara,
9500 / 9530 Storm, 9670 Style, Bold 9650, Bold 9780, Bold / Onyx 9700, Curve 2 8930, Curve 3G 9330 / 9300,
Curve 8300, Curve 8310, Curve 8320, Curve 8330, Curve 8520 / Gemini, Curve 8900, Pearl 3G 9100, Pearl 8110,
Playbook, Storm 2 9520 / 9550, Torch 9800, Tour 9630

Danger headset compatible

Sidekick LX 2009

DELL headset compatible

Streak, Streak 7, Venue Pro

HP headset compatible

iPAQ Glisten

HTC headset compatible  

7 Trophy / Spark, Aria, Arrive, AT&T Desire, Desire (CDMA), Droid Eris, DROID Incredible 2, Droid Incredible ADR6300 , EVO 4G, EVO Shift 4G, Freestyle, Google Nexus One GSM, HD7, Hero GSM, Imagio / XV6975, Inspire 4G, Merge, Mytouch 3G 1.2, myTouch 3G Fender, myTouch 3G Slide, myTouch 4G, Sprint / Alltel Hero - CDMA, Sprint / Verizon Touch Pro 2 XV6875, Surround, Thunderbolt, T-Mobile G2, T-Mobile HD2, Touch HD, Verizon Bee / Alltel Wildfire, Verizon / Sprint Nexus One CDMA,
Wildfire GSM

Huawei headset compatible

M735, M750

Kyocera headset compatible

Echo, M6000 Zio / Sanyo SCP-8600 Zio, Kyocera Rio E3100

 

LG headset compatible

Ally VS740 / US740 Apex, Arena, Chocolate 3 VX-8560, Chocolate Touch VX8575, Fathom VS750, G2x, GS390 Prime,
GW300, GW620, Lotus LX600, Neon II, Optimus M MS690 / Optimus C, Optimus T, Quantum C900, Rumor Touch / LN510,
Tritan AX-840 / UX-840, Vortex VS660, VX9700 Dare

Microsoft headset compatible

Kin One , Kin Two 
 

Motorola headset compatible

A45 Eco, A630, Atrix 4G / MB860, BACKFLIP, Bravo MB520, Charm MB502, CITRUS / WX445, Cliq, CLIQ 2,
CLIQ XT, Crush / W835, DEFY MB525, Devour / A555, Droid2 / Droid 2 Global, Droid A855, Droid Pro / A957 / XT610,
Droid X, Flipout, FLIPSIDE, Hint QA30, i856 Debut, Karma QA1, Krave ZN4, MILESTONE, Milestone 2 A954, MILESTONE XT720,
Moto surf A3100, Q, Motorola RAZR Vegas VE20, Rival A455, ROKR E8, ROKR EM330, ROKR Z6m, Ve440, WX404 Grasp,
XOOM, Zine ZN5

 Nokia headset compatible

Nokia doesn't apply for this pinout. They change ground for mic. Then stands for LRMG.
 

Palm headset compatible

Pixi, Pixi Plus, Pre, Pre 2, Pre Plus, Treo 680, Treo 750 / Treo 750v / HTC Cheetah, Treo Pro 

Pantech headset compatible

PN-820
 

Samsung headset compatible

Acclaim SCH-R880, Captivate SGH-i897, Continuum SCH-i400, Craft SCH-R900, Droid Charge 4G LTE, Epic 4G,
 Evergreen SGH-A667, Exec SCH-i225, Finesse SCH-R810, Flight II SGH-A927,
Focus SGH-I917, Freeform / Link SCH-R350 / SCH-R351, Galaxy 3 i5801 / i5800 / Apollo, Galaxy Indulge SCH-R910,
, Gem SCH-i100, Instinct SPH-M800, Intercept SPH-M910, Intrepid SPH-i350, Messager III SCH-r570, Messager II SCH-R560, Messager Touch SCH-R630 / SCH-R631, Moment SPH-M900, Mythic SGH-A897, Nexus S / GT-i9020T, Omnia II SCH-I920, Profile SCH-R580, Reality SCH-U820, Reclaim SPH-M560, Restore SPH-M570, Rogue SCH-U960, SCH-R350 Freeform, SCH-R470 Twostep, SCH-U490 Trance / Violin, SCH-U520, SCH-U940 Glyde, Seek SPH-M350, SGH-I607 Blackjack, SGH-T519 Trace, SPH-M360, SPH-M500, SPH-M610, Suede R710, Transform SPH-M920, Trill SCH-R520

Sanyo headset compatible  

M1

Sharp headset compatible 

FX, Hiptop 3, Sidekick 2008 / Gekko, Sidekick 3
 

Sony Ericsson headset compatible

 X10 Mini Pro, Xperia X10, Xperia X1 GSM, Z710 / Z710i

ZTE headset compatible  

E520 Agent

There are other headsets pinouts listed

Blackberry Bold 9700

When talk/play/pause function button is pushed it applies a short across ring 3 and 4.

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