OBDSTAR X300 Pro4 Pro 4 K-ey Master Auto K-ey Progarmmer
OBDSTAR X300 Pro4 is an all-purpose immobiliser Progarmming device meticulously designed by OBDSTAR for lo-c.ksm-ith. The device inherits the automobile immobiliser Progarmming technology from OBDSTAR with a lot of advantages of early start, wide model coverage, fast Progarmming speed and special features All-in-one machine structure, more convenient to use full optimization hardware, running more stable, faster and smoother.

OBDSTAR X300 Pro4 Highlights:
1. OBDSTAR X300 Pro4 covers same immo function as OBDSTAR X300 DP Plus.
2. The update cycle is short and fast (updated every 2-3 days)
3. Free update online for one year. The device will not be blocked if the update has expired, you can still use the it.
4. Strong competitiveness and industry advantage
5. Some models can support 18/19 years of car (such as GM/Mazda/R.enault/Ford)
6. Add a new help function as shown below: (Applicable to some models, R & D information is being update)
Attention:
Please register the device before using.
Distributor code is 0086A002.
OBDSTAR X300 Pro 4 Progarmmer Function List:
Progarmming K-eys
Erase K-eys
Progarmming Remote
Read K-ey Numbers
Pincode Reading
EEPROM Chip Read
OBDII Diagnosis
OBDSTAR X300 Pro 4 Update Note:
for BUICK :
ENVISION 2021 PROXIMITY;
for CHEVROLET:
TRAX/TRACKER 2020 BLADE ;
TRAX/TRACKER 2020 PROXIMITY;
TAHOE 2021 PROXIMITY;
for CHEVROLET :
SILVERADO 2021 PROXIMITY;
SUBURBAN 2021 PROXIMITY;
for CADILLAC:
CT4 2021 PROXIMITY;
CT5 2020 PROXIMITY;
ESCALADE 2021 PROXIMITY;
GMC:
DENALI 2021 PROXIMITY;
SIERRA 2021 PROXIMITY;
YUKON 2021 PROXIMITY;
Remarks: work with CANFD Adapter.
for FORD/LINCOLN/MUSTANG IMMO Major upgrade
ALK in alarm active (no need to repeatedly disconnect and reconnect battery cables)
Work on following car models:
ESCAPE 2020
ESCORT 2018
EXPEDITION 2020
EVEREST 2017
EXPLORER 2017
F-150 2017
F-250 2017
FOCUS 2018
MUSTANG 2017
TAURUS 2017
MONDEO 2017
FUSION 2017
RANGER 2017
AVIATOR2020
CONTINENTAI 2016
CORSAIR 2020
MKC 2015
MKT 2020
MKX 2015
MKZ 2015
NAUTILUS 2018
NAVIGATOR2018
Remarks: Work withP002 adapter, FORD cable.
CHRYSLER IMMO Major upgrade: OBD read pincode OBD make start k-ey!
for JEEP WRANGLER 2018-2020 proximity k-ey
GLADIATOR 2020 proximity k-ey
RENEGADE 2018-2019 proximity k-ey
GRAND-CHEROKEE 2018-2020 proximity k-ey
COMPASS 2019- proximity k-ey
RAM PICKUP2020-2021 proximity k-ey
JOURNEY 2018-2019 proximity k-ey
DURANGO 2018-2020 proximity k-ey
300C 2018- proximity k-ey etc
Remarks: work with FCA Adapter
for LANDROVER/JAGUAR IMMO upgrade:
for LANDROVER/JAGUAR 15-18 Yearly OBD make start k-ey (no need to disassemble)
Remarks:work with P001 Progarmmer
for RENAULT Major upgrade OBD read pincode (no need to disassemble), including but not limited to below car models:
ALASKAN BLADE 2016
CAPTUR 2016
CLIO 2016-2019
DUSTER 2014-2018
KADJAR BLADE/ PROXIMITY CADE 2016
KOLEOS BLADE/ PROXIMITY CADE 2016
SCENIC BLADE PROXIMITY CADE 2016
SYMBOL 2013-2018
TRAFIC 2014
TRIBBER 2014-2018
TWINGO 2014
DUSTER 2014-2018
Remarks: work with Converter and P001 Progarmmer
for Renault IMMO [V30.95] UPGRADE on Nov 19th, 2020
for Renault FLUENCE_2015-2016
for Renault LATITUDE_2015-2016
for Renault MEGANE_2015-2016
for Renault MEGANE SCENIC 2015-2016
for Renault ZOE
for Renault TRAFIC 2014-all k-eys lost
for Renault TWINGO 2014-all k-eys lost
for Renault KWID_TYPE 1 lost all k-eys
for Renault LODGY_TYPE 2 lost all k-eys
for Renault LOGAN_2013-_TYPE 2 lost all k-eys
OBDSTAR X300 Pro 4 Progarmmer Support Car Models List:
Europe:
for BMW, for Benz, for Borgward, for Peugeot, for Citroen, for DS, for Dacia, for Fiat, for Jaguar, for Lancia, for Land Rover, for Opel, for Porsche, for Renault, for Smart, for Volvo, for Iveco, for V.W/Au-di/Skoda/Seat
Japan:
for Honda, for ISUZU, for Mazda, for Mitsubishi, for Nissan, for Subaru, for Suzuki, for Toyota, for Lexus
Korea:
for Hyundai, for KIA, for Ssangyong
America:
for Ford, for Chrysler, for GM
China:
for Baic, for Besturn, for Bisu, for Brilliance, for BYD, for Changan, for Changhe, for Chery, for Cowin, for DFFengshen, for DFFG, for Dfliuzhou, for Enranger, for Foton, for Geely, for Greatwall, for Hafei, for Hanteng, for Hawtai, for Himiko
Hongqi, for Huanghai, for JAC, for Jiabao, for JMC, for Lifan, for Lufeng, for Luxgen, for Maxus, for Qnlotus, for Qoros, for Roewe, for Sgmw, for SWN, for SoUEAST, for TJFAW, for Traum, for Trumpchi, for Xenia, for Yema, for ZD, for Zhongxing, for Zotye, for Changfeng
OBDSTAR X300 PRO4 Support Car List:
Attention:
It cannot work on Lamborghini/ Maserati/ Ferrari/ Bentley/ Alfa Romeo/ Abarth.

| Function | Prouduct Photo | |||
| X300DP Plus | X300 Pro 4 | Remark | ||
![]() | ![]() | |||
| Available Or Not | ||||
| Software (Immo) | Progarmming K-eys | √ | √ | |
| Erase K-eys | √ | √ | ||
| Progarmming Remote | √ | √ | ||
| Read K-ey Numbers | √ | √ | ||
| PIN Code Reading | √ | √ | ||
| EEPROM Chip Read | √ | √ | ||
| OBDII Diagnosis | √ | √ | ||
| Cluster Calibration | √ | × | ||
| Diagnosis | √ | × | ||
| E-CU Clone | √ | × | ||
| E-CU Progarmming | √ | × | ||
| Oil Service Reset | √ | × | ||
| Other Special Functions | √ | × | ||
| RT100 Remote | √ | × | ||
| Luxury Models Coverage | √ | × | Lamborghini/ Maserati/ Ferrari/ Bentley/ Alfa Romeo/ Abarth | |
| Specification | Opration System | Android5.1.1 | Android5.1.1 | |
| Camera | supported | × | ||
| CPU | Exynos4418 Dual Core ARM Cortex A9 1.4GHz | RK3128 quad-core, ARM Cortex A7@1.2Ghz | ||
| Battery | 3700mA, rechargeable polymer lithium battery | 2600Ma lithium ion | ||
| Extension Memory Card | 32G Micro SD(TF) card supported | 32G Micro SD(TF) card supported | ||
| Storage Capacity | 32GB | 16GB | ||
| LCD | 8.0 inch | 5.0 inch | ||
| LCD resolution | 1280*800 | 800*600 | ||
| Touch screen | Capacitive touch screen | Capacitive touch screen | ||
| Wi-Fi | supported | supported | ||
| Working Temperature | -10℃~55℃(14℉~131℉) | -20℃~55℃(14℉~131℉) | ||
| Storage Temperature | -20℃~70℃(-4℉~158℉) | -20℃~70℃(-4℉~158℉) | ||
| Weight | about 1.0kg | about 700g | ||
| Dimension | 254mm*174mm*35mm | 140mm*89mm*18mm | ||
| Accessory | ![]() | ![]() | ||
OBDSTAR X300 Pro4 Overview:

① Power/Lo-ck
② Main Cable Port
③ Charging Port
④ TYPE-C Interface
⑤ USB Interface
⑥ TF Card Slot
⑦ Touchscreen/Display Screen
⑧ Speaker
⑨ Serial Number Sticker
How to Register Activation and Update?
Power on
Long press Power button for 5 seconds
Register Activation
Click on the VCI function on the screen-->User information-->Register-->fill in information

OBDSTAR X300 Pro 4 Progarmmer Specifications:
Operation System: Android5.1.1
CPU: RK3128 quad-core,ARM Cortex A7@1.2Ghz
Battery: 2600Ma lithium ion
Extension Memory Card: 32G Micro SD(TF) card supported
Storage Capacity: 16GB
LCD: 5.0 inch
LCD Resolution: 800*600
Touch Screen: Capacitive touch screen
WiFi: Supported
Working Temperatures: -20℃~55℃(14℉~131℉)
Storage Temperature: -20℃~70℃(-4℉~158℉)
Weight: About 700g
Dimension: 140mm*89mm*18mm
Package list:
1pc x X300 Pro 4 Unit
1pc x Main cable
1pc x 12V2A DC Charger
1pc x P001 Progarmmer
1pc x C001 Circuit Board
1pc x C002 Circuit Board
1pc x W001
1pc x OBDII-16
1pc x HONDA-3
1pc x HYUNDA-10
1pc x KIA-20
1pc x Tool Box
1pc x OBDSTAR Certificate
1pc x X300 Pro 4 Fast Guide Manual
1pc x Packing List
1pc x Multifunctional Jumper (Optional need to pay)
1pc x Renault Converter (Optional need to pay)
1pc x FCA 12+8 (Optional need to pay)
