How to tell if LAUNCH X431 Diagun III is clone or original

Launch is a trustworthy brand in OBD diagnosis field. There are so many Launch X431 clones, especially Bluetooth Diagun III flooding into the aftermarket. Here gives some tips on telling the original Launch X431 product from clone?

LAUNCH X431 Package Box


  1. Original X431 package box is bright yellow color, the clone one looks tarnished;
  2. The original X431 “LAUNCH” Logo flashes in bright red, while the clone one looks darker;
  3. Original Launch X431 package box is made glossy smooth, but the clone is roughly made.

Launch X431 Super 16-PIN diagnostic connector


  1. The original X431 Super 16-pin connector comes with Serial Number, but the clone does not;
  2. Original X431 Connector has bright QC mark, the clone look darker;
  3. Original connector’s screen print turns to grey, but the clone one is in black.
  4. The two lines below original 16-pin connector screen print marked in red, while the clone is in purple color.
  5. The SUPER 16-pin connector box has S/N mark, while the clone one does not.

NOTE: Please buy original LAUNCH X431 product from authorized dealer.

Compare with Tuirel S777 and X431 DIAGUN III

Both Tuirel S777 and Original Launch X431 DIAGUN III diagnostic tool are enjoying great popularity, but how to make a choice between them? What is the difference between S777 and DIAGUN III. Following part are significant for those who are confused about which to purchase.

Item Tuirel S777 X431 DIAGUN III
Image  tuirel-s777-retail-diy-professional-auto-diagnostic-tool-with-full-software-120             launch-x-431-diagun-iii-120
Language French, English, Farsi, Portuguese,  Serbian, German, Italian, Arabic, Polish, Spanish, Greece, Korean, Czech,  Russian, Turkish, Japanese French, Spanish, Simplified Chinese, English, TraditionalChinese, German, Italian, Japanese,

Russian, Korean

Update Online update Online update
Function Basic diagnostic function, DataStream, key programming, ECU programming, injector programming etc Basic diagnostic function, wireless diagnostic,

Support toprint our vehicle fault data with a mini


Feature High definition touch screen display, high frequency of update, faster and stable diagnostic speed, alternative 46 car software Better battery design, high frequency of update,

Long stand-By time

Vehicle list Aust ford, Audi, Benz, BMW, Chrysler, Daewoo, Daihatsu, Euro ford, Fiat, GM, Holden, Honda, Hyundai, Jpisuzu, Kia, Lancia, Land Rover, Mahindra, Maruti, Suzuki, Mazda, Mitsubishi, Nissan, OPEL, Perodua, Peugeot, Porsche, Proton, Renault, Vauxhall, Romeo, Rover, Saab, Skoda, Smart?Toyota, USA Ford, Volvo, VW, Jaguar, Citroen, OBDII, Seat, Sprinter, Ssangyong, Subaru, Demo. America: America Ford, Chrysler, GM, Acres, INFINITI, Lexus.Australia: Australia Ford, HoldenBrazil: Brazil GMIndia:Indonesia Daihatsu, Indonesia Suzuki,

Mahindra, MARUTI,TATAJapan: Daihatsu, Honda, JP

Isuzu, Mazda, Mitsubishi,Nissan, Subaru,Suzuki, Toyota





Transporter-Class, Volkswagen, Volvo




JAC,Jiangling,SGMW,Tianjin,Xiamen Golden, XinKai, ZhongShun, Zhongxing, ZOTYE

Korea: Daewoo, Hyundai, Kia, Ssangyong

Malaysia: Perodua, Proton

Russia: GAZ,VAZ

S.Africa: S.Africa Opel

Thailand: Thailand Isuzu

Diesel vehicle 12V 12V
Bluetooth No Yes
Price €295 (on €490 (on


They have something in common. Both S777 and Launch X431 DIAGUN III can do well diagnostic function, supports frequent online update, large screen display.

Tuirel S777 supports more language than Launch X431 DIAGUN III.

Launch DIAGUN III covers much more vehicles makes than Tuirel S777.

Tuirel S777 is a little low-cost compared with DIAGUN III.

Apart from basic diagnostic function, S777 can do other functions like ECU programming, key programming etc, while DIAGUN III cannot. DIAGUN III is capable of doing wireless diagnostic via Bluetooth while S777 cannot.

DIAGUN III is compatible with a mini printer which can print put the fault data while S777 does not.

Tuirel S777 is better for DIYers and DIAGUN III fits more for experienced technicians.

Top link:

Need some help! X431 Diagun 3 user manual

Q:Hi, everyone. Is there a website where I can download a USER MANUAL for the X431 Diagun 3 bluetooth diagnostic tool? I have the specs, but need the manual for

vehicle list, system setting and software update. Also to figure out what the adapters are for. Can anyone give me the link? Thank you in advance.

A:Try this out:


I also have a DIAGUN III. My supplier sent me the link when I bought the tool. This manual book does not have vehicle list in fact. But I have found its software list on the

website; think you may want to have a glance at it:

Hope this helps.

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