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HKCARD Electronics | Programmable SIM Card Manufacturer | Writable IMSI Ki 5G SA 4G LTE USIM Supplier
HKCARD Electronics Co., Limited is a trusted supplier of programmable SIM cards with 15+ years of experience. We manufacture writable IMSI/Ki/ICCID cards, re-programmable 5G SA USIM, IoT SIM, NFC SIM, and white label MVNO bulk SIM cards.
HKCARD Electronics – Reliable Supplier of Programmable SIM Cards for 5G SA, 4G LTE & IoT Networks
HKCARD ELECTRONICS CO., LIMITED is a premier programmable SIM card manufacturer with over a decade of experience in the mobile phone SIM cards industry. We specialize in providing re-programmable (not one-time burn) SIM cards for telecom operators, MVNOs, IoT developers, and R&D laboratories worldwide.
As a reliable supplier, we offer full customization capabilities, including writable IMSI, Ki, ICCID, OP/OPc, and SUCI configurations. Our products support the latest 5G NR 3GPP R16 SA standards, 4G LTE USIM, and NFC applications, available in 2FF / 3FF / 4FF form factors and memory sizes from 128K to 512K.
Fully Writable & Re-Programmable SIM Cards
HKCARD provides re-programmable SIM cards that offer engineers total control over authentication parameters. Unlike standard one-time-burn cards, our blank SIM cards allow you to modify parameters repeatedly using standard PC/SC tools (e.g., pySim) or SIM personalize tools.
Supported Writable Parameters
- Writable IMSI SIM Cards: Configure the International Mobile Subscriber Identity freely.
- Writable Ki SIM Cards: Inject and manage Authentication Keys securely.
- Writable ICCID SIM Cards: Customize Integrated Circuit Card Identifiers.
- Writable OP or OPc SIM Cards: Set Operator Keys and derived Operator Codes.
- Writable KEY SIM Cards: Manage encryption keys for custom security solutions.
- Writable SPN SIM Cards: Brand the Service Provider Name on the device.
- Writable MNC & MCC SIM Cards: Define Mobile Network Code and Mobile Country Code for global roaming tests.
Advanced 5G SA & 4G LTE USIM Solutions
We manufacture USIM / LTE SIM Cards designed for high-speed data and VoLTE, not legacy GSM-only networks. Our HKCARD’s Programmable SIM Cards for 5G Networks are built for the future of connectivity.
5G NR 3GPP R16 SA SIM Card
Our flagship Programmable 5G NR 3GPP R16 SA 5G SIM Card supports:
- 5G Standalone (SA) Architecture: Essential for low-latency and network slicing.
- SUCI SIM Card: Supports Subscription Concealed Identifier for user privacy (SUCI SIM).
- 5G SA 128K SIM: Optimized memory for 5G profiles.
4G LTE / WCDMA Blank Cards
- Multi Network 4G VoLTE SIM Card: Perfect for HD voice testing.
- 4G VoLTE Tester: Specialized profiles for network optimization.
- USIM 4G / USIMLTE: High-speed broadband access.
- TD SIM & CDMA SIM Card: Comprehensive network compatibility (UIM/RUIM Card).
IoT, NFC & Smart Card Applications
HKCARD drives innovation in the SIM cards near field communication market. Our IoT/Evaluation SIM Cards and NFC SIM solutions power smart cities and secure payments.
- NFC SIM & SIM Wallet NFC: Enables contactless payments and transit access.
- Java SIM Card: Supports SIM Java applets for custom logic and security.
- Parking SIM Cards: Dedicated profiles for smart parking meters.
- Blank eSIM: For remote SIM provisioning development.
- SIM Dummy / Fake SIM / Dummy SIM Card: Non-functional cards for display, fit-check, or splicing (e.g., Dummy SIM Card Airtel format).
White Label MVNO & Bulk SIM Card Supply
HKCARD is a leading SIM card wholesale supplier for MVNOs requiring speed to market. We offer white label MVNO sim cards and bulk SIM solutions that are fully customizable.
- White SIM Card / White Sims: Unbranded cards ready for your logo.
- Empty SIM Card / SIM Blank: Clean slate for developers.
- Offbrand SIM: Cost-effective solutions for regional carriers.
- Custom SIM Card: Tailored printing and packaging.
Sysmocom & Open Source Compatibility
Our cards are widely used in the open-source cellular community and are fully compatible with sysmocom sim cards and tools.
- SysmoISIM-SJA2: Classic programmable card.
- SysmoUSIM-SJS1: USIM variant for LTE.
- SysmoISIM-SJA5: Next-gen 5G ready card.
- SJA2: Reliable for 2G/3G/4G testing.
Form Factors & Memory Specifications
HKCARD ensures hardware compatibility with all devices:
- Available Form Factors: 2FF / 3FF / 4FF SIM Cards (Mini, Micro, Nano-USIM) and Half SIM Card LTE Trio.
- Memory Options: 128K SIM, 128K USIM, 256K SIM, 512K SIM.
Frequently Asked Questions (FAQ)
Q1: Are HKCARD SIM cards re-programmable?
A: Yes, our programmable SIM cards are fully re-programmable (not one-time burn). You can rewrite IMSI, Ki, and OP/OPc data multiple times using SIM programming tools like pySim.
Q2: Do you supply 5G Standalone (SA) SIM cards?
A: Yes, we are a supplier of the Programmable 5G NR 3GPP R16 SA 5G SIM Card, which includes support for SUCI encryption and 5G SA 128K profiles.
Q3: What tools can I use to write to these cards?
A: Our cards work with standard PC/SC tools, specifically pySim, SIM personalize tools, and other SIM card creator software compatible with sysmocom sim hardware.
Q4: What is a SUCI SIM card?
A: A SUCI SIM card (Subscription Concealed Identifier) protects user privacy on 5G networks by encrypting the IMSI during registration. (Also known as SUCI SIM คือ in some regions).
Q5: Do you offer white label solutions for MVNOs?
A: Yes, we provide white label sim cards, white sims, and blank sim cards specifically for MVNO deployment and bulk SIM wholesale orders.
Q6: What is the difference between a USIM and a GSM SIM?
A: A USIM 4G card supports LTE/4G networks and higher security algorithms, whereas GSM-only cards are for 2G/3G. HKCARD provides USIM LTE and 4G GSM SIM Card variants that are not GSM-only.
Q7: Can I get a blank SIM card compatible with Airtel profiles?
A: Yes, we supply blank sim cards that can be programmed to various network profiles, including configurations often used for blank sim card airtel testing environments.
Q8: Do you support Java Card applets?
A: Yes, our Java SIM Card (SIM Java) options allow you to load custom applets for NFC SIM, SIM Wallet NFC, or security applications.
Q9: What memory sizes are available for wholesale?
A: As a sim cards wholesale supplier, we stock 128K USIM, 256K SIM, and 512K SIM variants to meet diverse storage needs.
Q10: How do I contact HKCARD for bulk inquiries?
A: You can reach HKCARD ELECTRONICS CO., LIMITED via our website for sim card wholesale, usim test solution, or custom sim card inquiries. We are a reliable sim card manufacturer with 15+ years of experience.
HKCARD Electronics Re-programmable 5G SA 128K USIM Card Writable IMSI Ki ICCID OP OPc 2FF 3FF 4FF
Bulk Wholesale White Label MVNO SIM Cards Blank SIM Card NFC IoT 128K 256K 512K HKCARD Supplier
- HKCARD: Leading Supplier of Re-Programmable 5G SA & 4G LTE USIM Cards
- Buy Writable IMSI Ki SIM Cards in Bulk – HKCARD Electronics Manufacturer
- Custom 5G NR 3GPP R16 SIM Cards & White Label MVNO Solutions – HKCARD
- Programmable USIM LTE & IoT SIM Cards for pySim & Sysmocom – HKCARD
- Wholesale Blank SIM Cards & NFC SIM Solutions – HKCARD Electronics Co., Limited
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Best Regards
Byron
HKCARD ELECTRONICS CO.,LIMITED
Whatsapp/wechat:+8615817372512
Skype/Teams：byron1681
Email：byronhan@cardmfg.com
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