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HKCARD ELECTRONICS: Reliable Supplier of Writable Programmable Blank 4G LTE USIM SIM Cards | VoLTE ISIM Solutions

Writable Blank 4G LTE USIM SIM Cards Wholesale | HKCARD Supplier

Discover HKCARD ELECTRONICS: 15+ years in mobile SIM cards. Expert in programmable blank 4G LTE USIM, VoLTE ISIM, WCDMA GSM nano micro cards. Bulk options for testing & telecom. Fast global shipping.

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HKCARD ELECTRONICS: Leading Supplier of Programmable Blank 4G LTE USIM SIM Cards for Telecom Testing and Development

Last Updated: February 2025 | Reading Time: 7 minutes

Understanding Programmable Blank USIM SIM Cards in Modern Telecom

As telecommunications networks advance toward 5G and beyond, programmable blank 4G LTE USIM SIM cards serve as critical tools for developers, operators, and testers. These versatile cards allow customization of essential parameters like ICCID, IMSI, ADM, KI, OPC, and OP, enabling seamless integration into diverse applications from mobile testing to IoT deployments.

HKCARD ELECTRONICS CO., LIMITED, with over 15 years in the mobile phone SIM cards industry, stands as a reliable global supplier. We specialize in high-quality, writable solutions that meet international standards, helping clients streamline their projects efficiently.

Why HKCARD ELECTRONICS is the Go-To Supplier for SIM Card Solutions

✅ Proven Expertise Over 15 Years

Our journey began in 2009, focusing on the evolving needs of the telecom sector. Today, we deliver:

Custom programmable USIM cards for 4G LTE, VoLTE, and multi-network compatibility
Bulk wholesale options tailored for enterprises
End-to-end support from programming to deployment

✅ Diverse Product Lineup

HKCARD offers a full spectrum of products, including:

Product Type	Key Features	Available Packs
Writable Blank 4G VoLTE ISIM USIM Cards	128k LTE, FDD WCDMA GSM, Milenage support	5PCS, 10pcs/lot, 100pcs/lot
Nano Micro SIM USIM Cards	Programmable 4G LTE, 2FF 3FF 4FF sizes	3-in-1 adapters included
SIM Card Reader Writer Kits	USB 2.0, 2G/3G/4G/5G software (Ver 4.1.5)	Bundled with 5PCS blank ISIM cards

✅ Commitment to Quality and Compliance

All our blank programmable writable 4G LTE USIM cards are tested for:

RoHS and WEEE certification
Universal network compatibility (WCDMA, GSM, LTE)
Secure reprogramming capabilities
Reliability in high-volume testing environments

Explore Our Premium Product Range

1. 10pcs/lot Writable Programmable Blank Nano Micro SIM USIM Cards (4G LTE)

Ideal for lab testing and device prototyping, these cards feature:

Full 4G LTE support with WCDMA GSM fallback
Compact nano and micro formats for modern smartphones
Easy programmability for custom IMSI and authentication keys

2. 5PCS Factory Supply Blank Programmable Writable 4G LTE USIM Cards

Compatible with global networks, these are perfect for:

Initial setup in telecom operator trials
Compatibility verification across devices
Small-scale development projects

3. SIM USIM 4G LTE WCDMA GSM Blank Mini Nano Micro Writable Programmable Cards with Adapter

Our multi-format solutions include:

Latest intelligent writable programmable blank LTE USIM wireless 4G technology
3-in-1 adapters for seamless size transitions (Mini to Nano)
Bulk 100pcs/lot options for writable programmable blank SIM USIM cards 4G LTE WCDMA GSM nano micro SIM

4. Writable Blank 4G VoLTE ISIM/USIM Cards for Telecom Operators

Advanced cards supporting:

FDD bands, Mini Nano Micro (2FF 3FF 4FF) SIM chips
Blank 4G VoLTE program SIM card ISIM USIM card 128k LTE programmable USIM card with ICCID, IMSI, ADM, KI, OPC, OP, and Milenage
VoLTE optimization for voice services over LTE

5. Complete Programming and Reading Solutions

Enhance your workflow with:

4G LTE SIM Card Reader Writer Programmer + 5PCS 128k 4G VoLTE Blank ISIM Cards + 1PC 2G3G4G5G 4.1.5 Ver SIM Card Software
HID OMNIKEY 3121 Smart Card Reader (USB 2.0 Desktop Card Reader, RoHS WEEE Certified, Two-tone Gray – R31210320-01)

These tools ensure precise read-write operations for phone SIM USIM read-write card testing and mobile phone SIM blank card for phone use | testing mobile.

Key Application Areas for HKCARD Products

📱 Mobile Device Testing and Development

Our testing mobile phone SIM blank cards excel in:

Signal and connectivity assessments
Firmware compatibility checks
User experience simulations on various handsets

📡 Telecom Operator Deployments

Operators rely on our cards for:

Network rollout testing
Roaming and handover validations
VoLTE service optimization
Subscriber management simulations

🔧 IoT and Embedded Systems

For machine-to-machine applications:

Secure connectivity in smart devices
Remote configuration of embedded SIMs
Scalable solutions for fleet management and sensors

🧪 Research and Quality Assurance Labs

Academic and corporate labs use our blank 4G LTE USIM cards for:

Protocol security analysis
Authentication algorithm testing
Multi-network interoperability studies

Detailed Technical Overview

Card Dimensions and Formats

text

┌─────────────────────┬─────────────────────┐
│ Format     │ Size (mm)            │ Use Case          │
├─────────────────────┼─────────────────────┤
│ 2FF (Mini) │ 25 × 15 × 0.76       │ Legacy devices    │
│ 3FF (Micro)│ 15 × 12 × 0.76       │ Tablets & hybrids │
│ 4FF (Nano) │ 12.3 × 8.8 × 0.67    │ Smartphones       │
└─────────────────────┴─────────────────────┘

Supported Networks and Features

Core Networks: 4G LTE, WCDMA, GSM; 5G-ready for NSA mode
Security: Milenage algorithm, programmable KI/OPC/OP
Memory: 128k for extended data storage
Programming: Multiple cycles via standard ISO 7816 interfaces

Simple Steps to Order from HKCARD

1. Browse and Select

100pcs/lot writable programmable blank SIM USIM card 4G LTE WCDMA GSM nano micro SIM card with micro nano size 2FF 3FF 4FF 3 in 1
Custom bundles for specific needs

2. Get in Touch

HKCARD ELECTRONICS CO., LIMITED

📧 Email:byronhan@cardmfg.com

🌐 Website: https://www.cardmfg.com/

3. Receive Tailored Quote

Wholesale pricing for volumes
Free samples for qualified buyers
Technical specs consultation

4. Secure Delivery

Worldwide express shipping
Duty-paid options
Full tracking and support

Frequently Asked Questions

What makes HKCARD’s blank 4G VoLTE ISIM USIM cards unique?

A: Our cards offer full programmability for ICCID, IMSI, and authentication keys, ensuring compatibility with WCDMA GSM LTE networks. They’re built for repeated use in testing scenarios.

Are these SIM cards suitable for VoLTE applications?

A: Absolutely. The writable blank 4G VoLTE ISIM/USIM card supports FDD WCDMA GSM and is optimized for voice services, making it ideal for telecom operators.

What reader is best for programming these cards?

A: The HID OMNIKEY 3121 Contact Smart Card Reader (USB 2.0, desktop model, RoHS WEEE certified) provides reliable performance for all our programmable SIMs.

Can I buy in small quantities?

A: Yes, start with 5PCS factory supply blank programmable writable 4G LTE USIM cards or scale to 100pcs/lot for bulk savings.

Do you offer software for SIM programming?

A: Included in kits: 2G3G4G5G 4.1.5 Ver SIM Card Software for comprehensive read-write functions across generations.

How long does reprogramming take?

A: With our recommended tools, programming a blank 4G VoLTE program SIM card ISIM USIM card takes under 5 minutes per card.

What Our Clients Say

“HKCARD’s programmable USIM cards transformed our mobile testing process. Reliable quality and fast delivery every time.”
— Device Testing Firm, USA

“Excellent supplier for bulk 4G LTE SIM cards. Their VoLTE ISIM solutions met all our operator requirements.”
— Network Provider, Europe

“The reader and software bundle worked flawlessly for our R&D projects.”
— Tech University, Asia

Certifications and Standards

3GPP Compliant for USIM specifications
ETSI TS 102 221 for interface standards
Global Frequency Band Support
Eco-Friendly Manufacturing (RoHS, WEEE)

Connect with HKCARD ELECTRONICS Now

Elevate your telecom projects with our expert solutions.

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