HKCARD ELECTRONICS CO., LIMITED – Your Trusted Global Supplier of Programmable USIM Cards, Blank SIM Cards & SIM Personalization Tools

 Programmable USIM Cards with SDK | Blank SIM Card Supplier | SIM Personalization Tools – HKCARD ELECTRONICS CO., LIMITED

HKCARD ELECTRONICS CO., LIMITED is a trusted SIM card manufacturer with 15+ years of experience. We supply programmable USIM cards (128K LTE USIM with Ki/OPC editable), blank/writable SIM cards, SIM programmers, SIM personalize tools, NFC SIM, SUCI SIM, MVNO white label SIM cards, and bulk SIM provisioning solutions. Contact us today!

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Introduction: Why HKCARD Is the SIM Card Partner You Need

The mobile phone SIM cards industry is evolving rapidly. From MVNO white label deployments to 5G network testing, from NFC SIM secure authentication to IoT bulk provisioning, businesses worldwide need a reliable SIM card supplier that delivers quality, flexibility, and expertise.

HKCARD ELECTRONICS CO., LIMITED has served this industry for over 15 years, providing high-quality blank/writable SIM cards, programmable USIM cards with SDK and programming tools, SIM personalization solutions, and bulk SIM provisioning equipment to clients across more than 80 countries.

Whether you are looking for a 128K LTE USIM programmable SIM card with Ki and OPC editable values, a blank white triple format SIM, or a complete SIM card programming ecosystem — HKCARD is your one-stop destination.

What Is a Blank SIM Card?

A blank SIM card — also known as a white SIM card, empty SIM card, carte sim vierge (French), or sim blank — is a SIM card that contains no pre-loaded operator profile, ICCID, or subscription data. It is fully writable and can be personalized using SIM card programming software and SIM programmer hardware.

Common Variations of Blank SIM Cards

• Blank white triple format SIM (Standard / Micro / Nano)
• 64K SIM card (basic applications)
• 128K LTE USIM (advanced 4G/5G testing)
• Programmable SIM card 5G (next-generation networks)
• Dummy SIM card (hardware testing only)
• Test SIM card (laboratory and R&D use)
• NFC enabled SIM card (contactless payments)
• SUCI SIM card (enhanced 5G subscriber privacy)

White SIM card meaning: In the telecom industry, a “white SIM” refers to a blank, unbranded SIM card ready for custom programming — ideal for MVNOs, developers, and test labs.

 Programmable USIM Cards with SDK and Programming Tools

HKCARD specializes in programmable USIM cards with SDK and programming tool support. Our flagship products include:

128K LTE USIM Programmable SIM Card with Ki/OPC Editable

This is our most popular product for telecom professionals:

• 128K memory for advanced application storage
• Ki and OPC fully editable for custom authentication testing
• LTE USIM compatible with 4G and 5G networks
• SDK included for developers building custom SIM applications
• Triple-cut format (Standard, Micro, Nano)

Compatible SIM Programmer Tools

Our SIM cards are tested and validated with industry-standard tools:

These tools are essential for anyone asking how to program a blank SIM card or needing to write SIM data at scale.

 SIM Card Personalization – Complete Guide

What Is SIM Card Personalization?

SIM card personalization is the process of writing unique network credentials onto a blank SIM card. This includes:

• IMSI (International Mobile Subscriber Identity)
• Ki (Authentication Key)
• OPC (Operator Variant Algorithm Configuration)
• ICCID (Integrated Circuit Card Identifier)
• PIN/PUK codes
• APN and service profiles

How to Program a Blank SIM Card

If you are wondering how to program a blank SIM card, here is a simplified process:

1. Select your hardware — Choose a compatible SIM programmer (e.g., SysmoUSIM-SJA5)
2. Download SIM personalization software — Install the appropriate SIM card programming software on your computer
3. Prepare your data — Gather IMSI, Ki, OPC, and ICCID values
4. Insert the blank SIM — Place the empty SIM card into the programmer
5. Write SIM — Execute the program function to transfer credentials
6. Format SIM — If needed, format the SIM to clear any residual data
7. Verify — Confirm that all data has been correctly written

Need better tooling for bulk SIM provisioning? HKCARD provides automated SIM card programming software and batch-processing stations that can write SIM cards at rates of 500+ per hour. Contact us for custom solutions.

SIM Personalize Tools and Software Download

We support clients with SIM personalize tools download resources and guidance. Our recommended ecosystem includes:

SIM Personalize Tools

• OpenSIM Tool — Open-source, developer-friendly
• Simsis Pro — Professional-grade with bulk processing
• SIM card programming software — Manufacturer-provided tools with CSV/Excel import capability

Key Functions

• Program SIM card profiles individually or in batches
• Format SIM cards for reuse
• Write SIM data including Ki, OPC, IMSI, and ICCID
• Read SIM card information for verification

Whether you are a SIM maker developing custom applications or a telecom operator deploying thousands of SIMs, HKCARD’s tools and support ensure seamless SIM card programming.

Our Complete Product Range

Blank & Writable SIM Cards

• Blank SIM cards in all sizes (Standard, Micro, Nano)
• Blank white triple format SIM — one card, three sizes
• 64K SIM card — cost-effective for basic applications
• 128K LTE USIM — advanced, high-memory option
• White SIM card — unbranded, ready for customization
• Empty SIM card — fully programmable

Programmable SIM Cards

• Programmable SIM card 5G — next-generation network testing
• Programmable USIM cards with SDK — full development support
• 128K LTE USIM with Ki/OPC editable — our bestselling product
• Programmable eSIM card — software-based SIM solutions
• Programmable eSIM — remote provisioning capabilities

Security & Advanced SIMs

• NFC SIM — contactless payment and authentication
• NFC enabled SIM card — secure element integration
• SUCI SIM — enhanced 5G subscriber privacy protection
• SUCI SIM card — for networks requiring encryption-based identity protection

Testing & Development

• Dummy SIM card — for hardware validation
• Dummy sim — non-network operational testing
• Test SIM card — laboratory and R&D environments
• Fake SIM card — for device compatibility testing (non-functional)

MVNO & Business Solutions

• MVNO white label SIM cards — custom branding for operators
• MVNO SIM — complete solutions for mobile virtual network operators
• White label SIM cards — your logo, your brand, your network
• White SIM — unbranded cards for personalization
• Bulk SIM cards — volume pricing for large deployments

SIM Programming Hardware & Software

• SIM programmer — SysmoUSIM series (SJA5, SJA2, SJS1)
• SIM card programmer — professional-grade devices
• SIM card programming software — batch processing capable
• SIM personalization tools — complete ecosystem support

 SIM Card Manufacturing and Quality Assurance

As a leading SIM card manufacturer, HKCARD ELECTRONICS controls every step of the SIM card manufacturing process:

• Chip sourcing from certified suppliers
• Module assembly with ISO-compliant processes
• Personalization and programming with secure key management
• Quality testing including electrical, mechanical, and authentication verification
• Packaging with custom white-label options

We are proud to be recognized among reliable suppliers when clients research the top 10 SIM card manufacturers globally.

 Bulk SIM Provisioning Solutions

For clients who need better tooling for bulk SIM provisioning, HKCARD offers:

• Automated SIM programming stations — high-speed batch processing
• SIM card programming software with CSV/Excel data import
• Custom data formatting for IMSI, Ki, OPC, ICCID
• Integration support for existing production lines
• Technical consultation to optimize your workflow

Our bulk provisioning solutions are trusted by MVNOs, telecom operators, and enterprise clients worldwide.

Applications of HKCARD SIM Card Products

Frequently Asked Questions (FAQ)

Q1: What is a blank SIM card?
A blank SIM card is an unprogrammed SIM that contains no operator data. It can be fully personalized using SIM card programming tools and software, making it ideal for MVNOs, developers, and test labs.

Q2: How do I program a blank SIM card?
You need a SIM programmer (such as SysmoUSIM-SJA5), SIM card programming software, and your target data (IMSI, Ki, OPC, ICCID). Insert the blank SIM, load your data, execute the write function, and verify the result.

Q3: What is the difference between a dummy SIM card and a blank SIM card?
A dummy SIM card is typically non-functional for live network use and is designed for hardware testing. A blank SIM card is fully programmable and can be used on live networks once personalized.

Q4: Do you supply programmable USIM cards with SDK?
Yes. HKCARD offers programmable USIM cards with SDK and full programming tool support, including our bestselling 128K LTE USIM with editable Ki and OPC.

Q5: What is an SUCI SIM card?
An SUCI SIM card implements the Subscription Concealed Identifier protocol, enhancing subscriber identity protection in 5G networks by encrypting the IMSI before transmission.

Q6: Can I use your SIM cards for MVNO projects?
Absolutely. We provide MVNO white label SIM cards with custom branding, packaging, and network profiles. Our white label SIM cards support all major network technologies.

Q7: What is the blank SIM card price?
Pricing depends on memory size (64K, 128K), chip type, format, and order volume. We offer competitive bulk pricing. Contact us for a personalized quote.

Q8: Do you offer NFC-enabled SIM cards?
Yes. Our NFC SIM and NFC enabled SIM card products support secure element integration for contactless payments, authentication, and identity verification applications.

Q9: What is a programmable eSIM card?
A programmable eSIM card is a software-based SIM that can be remotely provisioned without physical card changes. HKCARD offers programmable eSIM solutions for IoT and telecom applications.

Q10: Are your SIM cards compatible with SysmoUSIM tools?
Yes. All our blank and programmable SIM cards are fully tested and compatible with SysmoUSIM-SJA5, SysmoUSIM-SJA2, SysmoUSIM-SJS1, and Sysmocom SIM card solutions.

Why Choose HKCARD ELECTRONICS CO., LIMITED?

• 15+ years of proven expertise in the SIM card industry
• Complete product range: blank SIM cards, programmable USIMs, NFC SIMs, SUCI SIMs
• SDK and programming tool support for developers
• Bulk SIM provisioning solutions for high-volume operations
• Competitive blank SIM card price with volume discounts
• Global shipping with fast turnaround
• Dedicated technical support team
• Recognized among top 10 SIM card manufacturers by industry partners

 Contact HKCARD ELECTRONICS Today

Ready to source programmable USIM cards, blank SIM cards, SIM personalization tools, or bulk SIM provisioning equipment?

Get in touch now:

• HKCARD ELECTRONICS CO.,LIMITED
  Whatsapp/wechat:+8615817372512
  Skype/Teams：byron1681
  Email：byronhan@cardmfg.com

We ship worldwide and offer free technical consultation for new projects.

128K LTE programmable USIM card with editable Ki and OPC values supplied by HKCARD ELECTRONICS CO., LIMITED for SIM card personalization and network testing applications

Professional SIM programmer device with blank white triple format SIM cards during the SIM card personalization and bulk provisioning process by HKCARD ELECTRONICS CO., LIMITED

1. Buy 128K LTE Programmable USIM Cards with Editable Ki OPC – HKCARD CO., LIMITED
2. Blank SIM Cards & SIM Personalize Tools for MVNO Bulk Provisioning Projects
3. Professional SIM Programming Solutions Compatible with SysmoUSIM-SJA5, SJA2 & SJS1
4. White Label SIM Cards & Programmable eSIM for MVNOs and Telecom Startups
5. Trusted SIM Card Manufacturer with 15+ Years Experience – HKCARD ELECTRONICS

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HKCARD ELECTRONICS CO.,LIMITED
Whatsapp/wechat:+8615817372512
Skype/Teams：byron1681
Email：byronhan@cardmfg.com