Programmable Blank 5G ISIM Card – NR SA/NSA, VoLTE, Triple-Cut 2FF/3FF/4FF for Telecom Operators by HKCARD ELECTRONICS CO., LIMITED

As the global telecommunications industry transitions to 5G New Radio (NR) networks operating in both Standalone (SA) and Non-Standalone (NSA) modes, network operators need SIM cards capable of supporting the complete 3GPP Release 16 feature set — including advanced VoNR (Voice over New Radio) and VoLTE services through the ISIM (IP Multimedia Services Identity Module) application. HKCARD ELECTRONICS CO., LIMITED now offers a programmable blank 5G ISIM card specifically engineered for professional telecom operators, giving authorized engineers full control to write ICCID, DOMAIN, IMPI, IMPU, P-CSCF, AD, and additional IMS parameters directly to the card. Available in a triple-cut 2FF/3FF/4FF format and backward compatible with 2G/3G/4G networks, this writable USIM/ISIM card is the essential tool for 5G network testing, VoNR/VoLTE validation, and commercial service deployment.

⚠️ Professional Use Only: This product is designed exclusively for qualified telecommunications engineers with knowledge of IMS architecture, 5G authentication parameters, and SIM card programming. If you are not familiar with ISIM configuration, IMPI/IMPU structure, and P-CSCF discovery mechanisms, please do not purchase this product.

 Full 5G NR Support – SA and NSA Modes with 3GPP Release 16 Compliance

The HKCARD programmable 5G ISIM card is built to the 3GPP Release 16 specification — the standards foundation for complete 5G network functionality including:

5G Standalone (SA) Mode:

• Pure 5G core network (5GC) authentication
• 5G-AKA (Authentication and Key Agreement) security protocol
• SUPI/SUCI subscriber identity privacy protection
• Native 5G NR radio access without 4G LTE anchor

5G Non-Standalone (NSA) Mode:

• Dual connectivity with 4G LTE anchor
• EN-DC (E-UTRA-NR Dual Connectivity) support
• EPS-AKA authentication for LTE core
• 5G-AKA for NR radio access layer

Backward Compatibility:

The same card seamlessly supports legacy network technologies:

• 4G LTE – Full EPS-AKA authentication, VoLTE via ISIM
• 3G WCDMA – UMTS AKA authentication
• 2G GSM – SIM application for legacy network compatibility

This multi-generation support makes the card future-proof: operators can use the same card inventory for 5G SA testing today while maintaining compatibility with their existing 4G/3G/2G infrastructure during the transition period.

 Native ISIM Application – Write Complete IMS Parameters for VoNR and VoLTE

The defining feature of this card is its native ISIM (IP Multimedia Services Identity Module) application — the component that stores IMS credentials for voice services over packet-switched networks. Using standard SIM programming tools, authorized engineers can write:

Core IMS Parameters:

Why ISIM Matters for 5G Voice:

In 5G networks, traditional circuit-switched voice is replaced by:

• VoNR (Voice over New Radio) in 5G SA networks
• VoLTE (Voice over LTE) in 5G NSA networks and as fallback

Both services require IMS registration, which depends on the ISIM application providing correct IMPI, IMPU, and P-CSCF information. A standard USIM card without ISIM cannot complete IMS registration, making voice services impossible even if data connectivity works perfectly.

By programming the ISIM parameters directly into the card, operators ensure:

• Immediate IMS registration upon network attachment
• Correct SIP URI allocation for incoming calls
• Proper P-CSCF discovery without manual device configuration
• Seamless voice service across 4G/5G network handovers

 Triple-Cut Form Factor – Native 2FF, 3FF, and 4FF in One Card

Modern telecom environments are rarely homogeneous. Operators must support legacy devices using Standard SIM (2FF), current smartphones requiring Nano SIM (4FF), and mid-generation tablets using Micro SIM (3FF). HKCARD’s 3-in-1 punch-out design eliminates inventory complexity:

Physical Form Factors:

Material: PVC card base with precision die-cut perforations
Contact Design: 6-pin gold-plated contacts (ISO/IEC 7816 compliant)
Operating System: Native OS (optimized for performance and security)

Simply snap out the required form factor — no adapters, no cutting, no risk of damaging the chip module. The gold contacts are precisely positioned for each size, ensuring reliable electrical connection across the full range of device SIM trays.

For Telecom Operators Only – Professional Network Deployment and Testing Applications

This programmable 5G ISIM card is designed exclusively for legitimate operator applications:

✅ Authorized Use Cases:

Network Testing and Validation:

• 5G SA/NSA core network commissioning
• VoNR and VoLTE call setup testing
• IMS registration and P-CSCF discovery validation
• Inter-RAT handover scenarios (5G ↔ 4G ↔ 3G)
• Network slice authentication testing

Device Certification:

• Validating handset 5G NR protocol implementation
• Testing ISIM application support in new device models
• Verifying correct IMS behavior in SA and NSA modes
• Pre-launch compatibility testing with operator network

Commercial Deployment:

• Programming SIM cards for private 5G networks (campus, industrial)
• MVNO service provisioning with custom IMS profiles
• Enterprise 5G deployment with tailored VoNR services
• IoT fleet provisioning with optimized 5G connectivity

Lab and Development:

• Protocol development and debugging
• Baseband chipset validation
• IMS stack testing
• Roaming agreement verification

❌ This Product Is NOT For:

• Consumer SIM unlocking or carrier bypass
• Cloning commercial SIM cards
• Extracting protected authentication keys
• Unauthorized network access
• Any use violating telecommunications regulations

Legal Compliance: By purchasing this product, you confirm you are an authorized telecom professional using these cards for legitimate operator network testing or deployment under applicable laws.

 Complete Technical Specifications and Package Information

Detailed Card Specifications:

Package Contents:

Standard Package:

• Quantity: 2× 5G VoLTE ISIM Cards
• Packaging: Protective plastic sleeve or card holder
• Documentation: Quick reference guide (digital download)

Bulk Orders:

• Custom quantities available (10, 50, 100, 500+ cards)
• Carton packaging for high-volume orders
• Pre-programming service available (specify parameters before shipment)

Programming Requirements and Support

What You Need to Program These Cards:

Hardware:

• PC/SC-compliant smart card reader (e.g., HKCARD Bludrive II or X02)
• SIM adapter if using non-standard form factor reader

Software:

• SIM card programming software supporting ISIM file structure
• Compatible with GRSIMWriter, pySim, and other professional tools

Credentials:

• Administrative (ADM) keys for card access
• Complete IMS parameter set (DOMAIN, IMPI, IMPU, P-CSCF)
• Authentication keys (Ki, OPc) for your target network

Knowledge:

• Understanding of ISIM file system (3GPP TS 31.103)
• IMS architecture and SIP registration flow
• 5G authentication mechanisms (5G-AKA)

HKCARD provides technical documentation and can offer programming guidance for qualified operators. For high-volume deployments, we also offer pre-programming services — send us your parameters and we’ll deliver cards ready to deploy.

📬 Contact HKCARD ELECTRONICS CO., LIMITED

Ready to deploy 5G NR services with properly configured ISIM cards? Contact our team to discuss your requirements, memory capacity needs, and volume pricing.

HKCARD ELECTRONICS CO., LIMITED — Programmable Blank 5G ISIM Cards with VoNR/VoLTE Support, 3GPP R16 Compliant, Triple-Cut 2FF/3FF/4FF for Professional Telecom Operators Worldwide.

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