Keydiy KD-X4 2018+ JLR Smart Key Copy FAQs
Recently, customers have had many questions regarding the 2018+ Jaguar & Land Rover smart key copying function of Keydiy KD-X4 & ZB24-5 JLR remote. Here, we would like to […]
KD-X4
Keydiy KD-X4 Coppy Peugeot Motorcycle NXP Smart Key
User report: Copied a Peugeot motorcycle smart key using Keydiy KD-X4. Using the recent updated NXP smart key copy function. Disassemble original key, solder wires […]
Which Device to Unlock Toyota 8A BA Smart Key?
Problem: It’s a Toyota Harrier with 8A BA smart key. I tried to unlock a xp400 pro with AUTEL IM608 but its not supported. Board […]
Keydiy KD-X4 Add 2022 Audi e-tron 5D Key Successfully
Keydiy KD-X4 new user feedback: “Today I successfully programmed an MQB49 key with a 5D chip for a 2022 Audi e-tron. I used the KEYDIY […]
Keydiy FGB25 5D Key No Frequency After Generation Solution
Problem: Generated and made Keydiy KD FGB25 MQB49 5D dealer key with KD-X4 successfully. But cannot detect frequency with KD-X4. Tried read frequency with xhorse […]
Write Ranger Rover Initialization Data to Locked RFA with Keydiy KD-X4
Replacement of Locked SPC560B60L3 Microprocessor for a 2019 Range Rover: Virginization and Writing of RFA Initialization Data using Keydiy KD-X4. On models from that year, […]
Ford 40 bit vs 80 bit Transponder Chip
If you work with Ford or Mazda vehicles, you’ve likely encountered two common transponder chip types: the ID83 (4D-DST80) and the ID63 (4D-DST40). Here we […]
Keydiy KD-X4 Copy 2021 Havel H6 NCF29Ax Smart Key
How-to: copy a spare 2021 Great Wall Havel H6 ID47 smart key with Keydiy KD-X4 key programmer. Chip type: ID47 Original key type: NXP29 […]
How to Modify MQB49 5C Key ID with Keydiy KD-X4 without 100 Points?
If need to modify VAG MQB49 5C/5D key ID with Keydiy KD-X4, it charges 100 points each time. Here is the user tip on change […]
How to Add 2024 Ford Mondeo KD Smart Key with Keydiy KD-X4
Here obdii365.com will show how to read 2021-2024 Ford RH850 BCM module immo data and add key or perform all keys lost using Keydiy KD-X4 […]
Keydiy KD-X4 Small Screen Replacement Guide
How to replace the Keydiy KD-X4 key programmer‘s small screen which is damaged? Instruction: First, remove the 4 screws on the back of the unit. […]
Program 2022 Lamborghini Urus All Keys Lost with Keydiy KD-MP and KD-X4
User feedback: Another win for Keydiy KD-X4 and KD-MP MLB tool. 2022 Lamborghini Urus all keys lost. • Started with OEM dealer key (~$900) • […]
Keydiy KD MQB49 5C 5D Key List
One of the biggest challenges when working with modern vehicles is identifying the exact remote type—whether it’s a flip key, a smart key, an older […]
2021 VW Jetta MQB49 5C Stuck in 1:1 Key Learning Mode?
Problem: It is a 2021 VW Jetta Mexico all keys lost. Tried to use Keydiy KD-X4 and Yanhua ACDP2 to do AKL for this MQB […]
Keydiy ZB15-3 vs New DZ ZB15 Smart Key
What’s the difference between new Keydiy DZ ZB15-3/ZB15-4 and the ZB15-3 smart remote that is available now? 1. They have different key shell types. The […]
How to Program 2021- Ford BCM Key with Keydiy KD-X4
Keydiy KD-X4 key programmer will release new Ford Immobilizer software soon- supports 2021+ Ford key programming by reading BCM module data. Keep an eye on the […]
Keydiy KD-X4 Copy Toyota Supra BDC3 Key
User feedback: Adding key to Toyota Supra is now an easy job. Supra now it’s not a Toyota, it’s BMW with a Toyota label. Supra […]
Keydiy KD-X4 Add 2025 VW Jetta MQB49 5C Key
New user report: Add a spare key for 2025 Volkswagen Jetta. It was a twist start. KeyDIY KD-X4 failed to disable SFD2 via internal service. […]
Keydiy KD-X4 Adds 2021 VW ID4 MQB49 5D Key via Clip Adapter
User report: Added a VW ID4 2021 MQB49 5D spare smart key with Keydiy KD-X4 successfully. 5d key added no problem, no sfd unlock required, […]
Keydiy KD-X4 Update NCF29xx Series Smart Key Synchronization Function
Keydiy KD-X4 and KD-MAX update NCF29xx smart key synchronization function (read original key data to copy/add smart key) on April 17th, 2026. Keydiy will read […]
Keydiy KD-X4 2024 VW Tiguan MQB49 5C Add Key Review
Here comes the real review on 2024 Volkswagen Tiguan MQB49 5C key programming using Keydiy KD-X4. “Just wrapped up my first 2024 Volkswagen Tiguan […]
Keydiy KD-X4 BMW BDC3 Cloning Not Working on iPhone?
Problem: I’m having issue with BMW BDC3 cloning using Keydiy KD-X4 programmer, software is up to date , works on pc software but not iPhone. […]
Keydiy KD-X4 VAG MQB49 5C Chip no Longer Recognised?
Problem: After reading a MQB49 5C Skoda key with keydiy kd-x4, the chip no longer recognised. Anyone had similar issue? The coil copper wire affects […]
Will Keydiy Copy BMW BDC2 Knife Key to LCD Key?
Problem: Tried to clone the data from the knife shape key to the LCD key using Keydiy KD-X4, but unfortunately, I failed. After I read […]
Which Device Is Best for VW MQB49 5C/5D Key Programming in 2026?
Which device is best for VW MQB49 5C/5D key programming in 2026? The four most discussed options are Yanhua ACDP, XHORSE VVDI, KEYDIY (KD-X4 / […]