NXP‑Killer Unlimited NCF29XX chip cloning programmer is designed for professional auto locksmiths. Connect hardware to Windows PC via USB. All chip read, reset and clone‑write operations run within PC software. Device cannot work standalone without PC. No need connect to car OBD port, no online server authorization needed. You can connect via optional MCKB solder‑free adapters, or experienced technicians can directly solder flying‑wires to key‑board pins. Read original key data, reset chip and write clone data directly.
Lifetime free firmware updates. No annual subscription fees. Usage without hidden charges.
Specifications
Compatible chip: Full series of car original nxp29 chips
Operating language: English
Power supply mode: USB power interface
Overall dimensions: 59mm×39mm×11mm, light-weight handheld design, portable and easy to store
Overall machine weight: 20g, can be operated with one hand
Version Difference (Identical hardware appearance, different firmware license)
1. Limited Version: Only 4 clone‑write tokens total. Once all tokens are used up, device can only read chips. Reset & write‑clone functions are permanently locked. No token top‑up, no upgrade path to unlimited version. The NXP KILLER "limited version" usually for testing & very occasional jobs.
2. Unlimited Version: Unlimited tokens, unlimited clone‑write cycles. No annual fee, no points deduction. Ideal for regular locksmith shop heavy‑duty usage.
System Requirements
✅Mandatory: Windows 10 / Windows 11 64‑bit PC with available USB port
⚠️Mac OS: No native official software. Virtual‑machine compatibility unvalidated, USB pass‑through often causes detection / read‑write errors. **Not recommended, not covered by technical support.**
❌Mobile phones & tablets cannot run this tool.
Main Features
1. Read original NCF29XX smart‑key chip data via Windows PC software
2. Chip reset & clone‑write to blank key boards (Limited version subject to 4‑token limit)
3. Physical buttons on main unit for auxiliary trigger only, cannot work without PC
4. MCKB series solder‑free adapters (optional accessory): avoid soldering and reduce PCB damage risk. Adapters are NOT required; skilled locksmiths may use flying‑wire soldering.
5. Works for OEM and qualified aftermarket smart‑key boards
Supported Chips
✅Supported: all NCF29XX series chips (NCF2951/2952/2953/2960/2961/2971/29A1/29A2/29A3/29A4/29A7/29AG/29AE)
❌ Not Supported: PCF series chips and other non NCF chips..
Vehicle Compatibility
Works for smart keys equipped with NCF29XX chips for American, Korean, selected Chinese and European vehicles.
Notice:
MCKB solder‑free adapters are sold separately. Without adapters, users must know chip pin definition and perform flying‑wire soldering by themselves. Damage caused by soldering is not covered by warranty.
Package Includes
1 × NXP‑Killer Main Unit
1 × USB Cable
1x Soldering wire
Step-by-Step Operation Tutorial: Clone NXP Smart Key with NXP Killer
Preparation Tools
1. NXP Killer main programmer host
2. Corresponding MCKB solder-free adapter matching your key PCB
3. Blank NXP29 chip smart remote
4. DC power supply /USB power cable
Step 1: Connect Hardware
1. Fix original smart key PCB on MCKB solder-free adapter; align MSCL, MSOL, WAKE signal pins as adapter label mark
2. Plug adapter cable into NXP Killer host port, connect USB power to computer
Step 2: Read Original Chip Data
1. Open NXP Killer PC software on Windows 10/11 (64-bit recommended)
2. Select chip model (auto identify NXP29xX chip via hardware detection)
3.Click "Read Data",wait 10-20s to export full original data file,save backup locally
Step 3: Write Data to Blank Key
1. Replace original key with blank NXP chip remote on the same adapter
2. Load the backed data file in software
3.Tap"Write All Data",finish writing within 30 seconds
4.Test remote lock/unlock & vehicle start function to confirm success
Step 4: Unlock Locked NXP Key Operation
If your used remote shows "chip locked" prompt: load chip→ select Unlock function→> one-click erase encryption lock→> re-write new immobilizer data.
| Comparison Item |
NXP‑Killer Limited Version |
NXP‑Killer Unlimited Version |
EONEBOSS NK001 |
| Device Type |
Hardware unit, Windows PC + PC software REQUIRED.
Buttons auxiliary only, no standalone operation |
Bluetooth hardware unit, iOS & Android APP controlled,
NO PC needed |
| Supported Chips |
✅Full NCF29XX including NCF29AG, NCF29AE
❌Not support PCF |
✅Most NCF29XX
❌NCF29AG, NCF29AE NOT supported
❌Not support PCF |
| Write Quota |
Only 4 clone‑write tokens.
Write function permanently locked after depletion, no top‑up, no upgrade |
Unlimited cloning cycles, no points, no subscription |
Daily limit:5 clones for third‑party key boards; unlimited for EONEBOSS OEM boards |
| System Requirement |
Mandatory Windows10/11; Mac virtual‑machine unvalidated & not recommended; phones incompatible |
Smartphone iOS / Android, no computer required |
| Connection Method |
MCKB adapters optional;
Flying‑wire soldering for experts;
Soldering damage excluded from warranty |
Original ribbon cable & adapter board; flying‑wire soldering for experts; soldering damage excluded from warranty |
| Internet |
Local software run; internet only for firmware update |
Bluetooth connection;
Firmware online via APP |
| Firmware Update |
Update via Windows PC software |
Online update via mobile APP |
| Package Contents |
Main unit + USB cable; MCKB adapters sold separately |
NK001 main unit + Type‑C cable + ribbon cable + adapter board |
| Warranty |
Limited hardware warranty. Token‑depletion lock NOT hardware fault & not covered;
Soldering damage excluded |
Limited hardware warranty;
Soldering damage excluded |
Limited hardware warranty;
Soldering damage excluded |
| Best For |
Testing & very occasional jobs, low‑budget.
Must understand permanent lock‑out risk after 4 tokens |
Professional locksmith shops, high‑volume work, need NCF29AG / NCF29AE, no usage limits |
Beginner locksmiths, prefer APP UI, rarely meet NCF29AG/AE, no Windows PC on‑site |
Frequently asked question
Q: The limited version, How do I check the remaining uses of the device?
A: Count the flashes of the first green light upon power connection. The number of flashes indicates the remaining
uses.
Q: How do I confirm a successful read?
A: After pressing the read button, the green light will stay on, indicating success.
Q: How do I confirm a successful write?
A: After pressing the write button, the green light wll stay on, indicating success.
Q: Can I read once and copy to many keys?
A:Yes, if it's an unlimited version device.
Q: Why does the red light appear when reading/writing keys?
A: The circuit board is not aligned with the adapter.
Q: Will I lose points if the read or write operation fails?
A: No.
Q: Why does the tool stop responding after the indicator lights up upon power connection?
A: The power connection is unstable and needs to be reconnected.
Q: Can I solder the circuit board myself?
A: Yes, the package includes soldering wires for the circuit board.
Q: Can I use this device to clean/unlock the key?
A: Yes, it can first read a blank key, then copy it to a key with data.
Q: Can it copy NCF29AG chips?
A: Yes.
Q: Can it be used indefinitely? Does it require points?
A: The limited version can only be cloned 4 times.; The unlimited version can be used without restrictions.
Q: Which keys can it copy?
A:It can copy most smart keys with NCF29 chips.
Q: What adapters are available?
A: Over 200 types of adapters are available for various key models.
Q: Can it only copy original keys?
A: The adapter is designed according to the original circuit board. If the location of the aftermarket circuit board is the same as the original circuit board, they are compatible. Or, if you know how to solder, then both original and aftermarket keys can be copied.
Q: Are there compatible aftermarket remote keys?
A: Yes,we are currently in production.
Q: Does it require in-car operation?
A: No. No OBD. No Laptop. No Internet. Just Copy & Go.
Q: Can the new key and the original car key be used simultaneously?
A: IMPORTANT: Due to key code duplication, the original and the new key cannot be used simultaneously (except
for BMW BDC2/3). We recommend this as a perfect spare key solution, allowing one key to be functional at a time
while the other serves as a reliable backup.
Q:Can the adapter be used with other devices?
A:Yes,the adapter is compatible with KYDZ,KD,CG,and VVDI devices.
After‑sales Terms
Limited hardware warranty offered by seller. Free firmware update. **Damage to key PCB or chip caused by self‑performed flying‑wire / soldering is excluded from warranty.** Technical support covers device operation only; no vehicle‑specific programming or soldering training provided.
Legal Disclaimer
This tool shall only be used for legal key backup & key duplication. Use only when you hold legal ownership of the key. Illegal copying of third‑party keys or vehicle theft‑related operations are strictly prohibited. All risks caused by self‑soldering and flying‑wire connection shall be borne by end‑user.
