HKCARD Electronics – Trusted Programmable SIM Card Manufacturer Since 2008

HKCARD Electronics Co., Limited is a globally recognized programmable SIM card manufacturer with over 15 years of experience in the mobile phone SIM cards industry.

We are a reliable supplier of writable IMSI SIM cards, re-programmable USIM 4G LTE cards, 5G SA SIM cards, IoT SIM cards, NFC SIM cards, and custom white label MVNO SIM solutions for telecom operators, MVNOs, IoT developers, and research institutions worldwide.

Whether you’re developing a new 5G network, launching an MVNO business, or testing VoLTE connectivity, HKCARD delivers the programmable SIM card solutions you need — backed by fast delivery, technical support, and global wholesale supply.

🧩 Why HKCARD? – 15+ Years of Proven Expertise

Since 2008, HKCARD has focused exclusively on delivering high-quality, flexible, and secure SIM card solutions for the modern telecom ecosystem.

Our Strengths:

• ✅ 15+ years in the SIM card industry
• ✅ Full control over writable parameters: IMSI, Ki, ICCID, OP/OPc, SPN, MCC, MNC
• ✅ Re-programmable SIM cards (NOT one-time burn)
• ✅ Compatible with pySim, PC/SC, SIM personalize tools
• ✅ Supports 4G LTE, 5G SA (3GPP R16), IoT, NFC
• ✅ White label MVNO SIM cards & bulk wholesale supply
• ✅ Global shipping & OEM/ODM support

🔑 Writable & Re-Programmable SIM Cards – Total Control Over SIM Parameters

HKCARD’s core offering includes fully re-programmable SIM cards that support writing and rewriting of all key parameters.

✅ Supported Writable Parameters

Use Case Examples:

• SIM card testing labs
• Telecom R&D teams
• 4G VoLTE tester setups
• USIM test solution development
• SIM card creator platforms

💻 Programmable SIM Cards with pySim & PC/SC Tools

HKCARD programmable SIM cards are fully compatible with standard SIM programming tools such as:

• pySim – Open-source SIM programming toolkit
• PC/SC readers – Industry-standard smart card interface
• SIM personalize tools – Commercial-grade SIM configuration software
• SIM card creator platforms – Custom profile development
• Java SIM card environments – For advanced applet integration

These tools allow engineers to easily inject IMSI, Ki, ICCID, OP/OPc, SPN, MCC, MNC, and more into our programmable SIM cards.

📶 4G LTE USIM Cards – Not GSM-Only

HKCARD’s USIM 4G LTE cards go beyond traditional GSM-only SIMs, offering full support for:

• 4G LTE/WCDMA blank cards
• 128K USIM / 256K / 512K USIM
• Multi Network 4G VoLTE SIM Card
• 4G VoLTE Tester SIM
• Half SIM Card LTE Trio – 2FF/3FF/4FF combo
• UIM Card / RUIM Card / CDMA SIM Card
• TD SIM – Time Division LTE compatibility
• 4G GSM SIM Card – Dual-mode support

Applications:

• LTE product development
• Network call quality testing
• IoT gateway validation
• Private LTE networks
• Parking SIM cards systems

🚀 5G Programmable SIM Cards – HKCARD’s 5G SA Solutions

HKCARD leads the way in 5G programmable SIM card technology, supplying standalone (SA) 5G SIM cards compliant with 3GPP Release 16.

5G SIM Card Offerings:

• Programmable SIM Card 5G
• Custom SIM Cards for 4G LTE & 5G NR Networks
• HKCARD’s Programmable SIM Cards for 5G Networks
• Programmable 5G NR 3GPP R16 SA 5G SIM Card
• 5G SA 128K SIM / 5G SA SIM Card
• 5G USIM – 5G-ready USIM module
• SUCI SIM Card – Subscriber Concealed Identifier support

Perfect for:

• 5G private network testing
• Edge computing projects
• Network slicing research
• IoT and URLLC development

🌐 IoT & Evaluation SIM Cards – For Smart Device Testing

HKCARD supplies IoT/Evaluation SIM Cards tailored for:

• Connected devices
• Sensor networks
• Edge gateways
• Device certification
• Blank eSIM (on request)
• USIM Test Solution – Pre-configured for testing
• Parking SIM Cards – Static network simulation

Ideal for smart cities, agriculture, healthcare, transportation, and industrial automation.

🪪 NFC SIM Cards – Powering Digital Wallets & Contactless Systems

HKCARD offers NFC-enabled SIM cards for the SIM cards near field communication market, including:

• NFC SIM / SIM NFC
• SIM Wallet NFC
• SIM Card NFC
• Java SIM Card – For applet-based services
• SIM Java – Custom Java Card OS support

Used in:

• Mobile payments
• Transit ticketing
• Access control
• Loyalty programs

🏷️ White Label MVNO & Bulk SIM Supply – Customize Your Brand

HKCARD enables MVNOs and telecom brands with:

• White SIM Card / White SIM Cards
• White Label MVNO SIM Cards
• Blank SIM Cards / Blank SIM / SIM Blank
• Dummy SIM Card / Fake SIM / SIM Dummy
• Offbrand SIM
• Bulk SIM / SIM Card Wholesale / SIM Cards Wholesale Supplier
• Blank SIM Card Airtel (customizable)
• Dummy SIM Card Airtel

We also supply sysmocom-compatible SIM cards such as:

• sysmoISIM-SJA2
• sysmoUSIM-SJS1
• sysmoISIM-SJA5
• SJA2
• sysmocom SIM card / sysmocom SIM cards

🧾 Form Factors & Memory Sizes – Full Compatibility

HKCARD offers programmable SIM cards in all standard formats:

✅ Form Factors

• 2FF (Mini SIM)
• 3FF (Micro SIM)
• 4FF (Nano USIM)
• Half SIM Card LTE Trio
• SIM Card Creator Friendly Formats

✅ Memory Sizes

• 128K SIM / 128K USIM / 128K USIM LTE
• 256K SIM
• 512K SIM

🛠️ Full SIM Card Personalization Services

HKCARD offers end-to-end SIM card solutions, including:

• SIM Programming
• IMSI/Ki/ICCID Injection
• OP/OPc Configuration
• SPN/MCC/MNC Setup
• SIM Personalize Tools Integration
• Custom SIM Card Development
• Java SIM Card Applet Installation

❓ Frequently Asked Questions (FAQ)

Q1: Are HKCARD SIM cards re-programmable?

Yes. All HKCARD SIM cards are fully re-programmable and not one-time burn.

Q2: Do you support 5G Standalone (SA)?

Yes. We supply 5G SA 128K SIM and 5G USIM cards compliant with 3GPP R16.

Q3: What tools are compatible with your SIM cards?

Compatible with pySim, PC/SC, SIM personalize tools, and Java SIM card environments.

Q4: Can I write IMSI, Ki, ICCID, OP/OPc myself?

Yes. Our writable SIM cards support manual parameter injection.

Q5: Do you offer sysmocom-compatible SIM cards?

Yes. We supply sysmoSIM-SJA2, sysmoUSIM-SJS1, and sysmoISIM-SJA5 compatible cards.

Q6: What is a SUCI SIM card?

A SUCI SIM card hides the SUPI for privacy in 5G networks. We offer SUCI-enabled 5G SIMs.

Q7: Do you supply NFC SIM cards?

Yes. We offer NFC SIM, SIM Wallet NFC, and Java SIM card solutions.

Q8: Can I order white label MVNO SIM cards?

Yes. We provide white label MVNO SIM cards and bulk SIM card wholesale supply.

Q9: What memory sizes are available?

Available in 128K, 256K, and 512K memory configurations.

Q10: How do I start ordering?

Contact us via our website with your requirements. We’ll send a quote and sample within 24 hours.

1. Programmable 5G SA 128K USIM Card by HKCARD Electronics – Writable IMSI Ki ICCID OP OPc – 2FF 3FF 4FF Nano SIM Manufacturer
2. HKCARD Electronics Blank SIM Cards Range – 4G LTE USIM White Label MVNO NFC SIM IoT SIM 128K 256K 512K Wholesale Supplier

📞 Contact HKCARD Electronics – Your Trusted SIM Card Partner

Looking for:

• Programmable SIM Cards
• Writable IMSI / Ki / ICCID / OP / OPc SIM Cards
• 4G LTE USIM / 5G SA SIM Cards
• IoT SIM Cards / NFC SIM Cards
• White Label MVNO SIM Cards
• Bulk SIM Card Supplier
• Sysmocom-Compatible SIM Cards

HKCARD Electronics Co., Limited is your long-term partner with 15+ years of experience and global shipping.

📧 Contact us today for samples, quotes, and support.

Best Regards
Byron

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

1. Top Programmable SIM Card Manufacturer for 4G LTE & 5G SA – HKCARD Electronics
2. Buy Writable IMSI Ki ICCID SIM Cards Online – HKCARD Trusted Supplier
3. 5G SA 128K SIM Cards with SUCI Support – HKCARD Electronics Co., Limited
4. White Label MVNO SIM Cards & Bulk Blank SIM Supplier – HKCARD
5. Re-Programmable USIM LTE & 5G SIM Cards for IoT & Telecom Testing

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Best Regards
Byron

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