HKCARD Electronics Co., Limited supplies blank programmable 4G/5G VoLTE SIM cards, 128K ISIM/USIM, Milenage & XOR algorithm, custom IMSI/Ki/ICCID, 24h shipment, ISO certified.


What is a VoLTE SIM card?
A VoLTE (Voice over LTE) SIM card is a UICC that stores the ISIM application, enabling HD voice, video calling, and SMS over an LTE or 5G packet-switched network without falling back to 2G/3G circuits. Unlike legacy SIMs, VoLTE cards carry IMS credentials (IMPI, IMPU, domain, P-CSCF address) and support MILENAGE or XOR authentication for registration on IP Multimedia Subsystem (IMS) cores.


HKCARD Electronics Co., Limited – The Definitive VoLTE SIM Supplier
Founded 2008 in Hong Kong, HKCARD operates an ISO 9001 & ISO 14443 certified plant covering 3,500 m², 8 contactless production lines, 200+ employees, and an in-house R&D team of 24 engineers. We deliver more than 45 million programmable SIM/USIM/ISIM cards annually to 620 operators, test labs, and IoT device makers in 92 countries.

Core Products (All 100% programmable via PC/SC reader & standard GEMALTO/ACS tools)

  1. Blank Programmable USIM Cards – 2FF/3FF/4FF, 64K–256K EEPROM, Java Card 3.0.5, GlobalPlatform 2.3, MFF2 embedded wafer available.
  2. 4G & 5G USIM Programmable SIM Cards for LTE Testing – Pre-loaded with 3GPP TS 31.102 & 31.103 files; ADM keys, OPC, AMF configurable.
  3. VoLTE ISIM Cards – ISIM-IAF, IMPI/IMPU, P-CSCF, SDN-MCC-MNC, emergency call codes pre-personalized.
  4. 4G VoLTE Programm SIM Karte ISIM USIM Karte 128K – Dual IMSI, OTA remote file management, 3-DES/AES-128 encryption.
  5. VoLTE Test SIM Cards – Milenage & XOR algorithm selectable; perfect for Anritsu, Keysight, R&S, Viavi, PCTEL, Accuver, Prism, Spirent UE simulators.
  6. Custom Programmable SIM Cards – Logo, silkscreen, embossing, magnetic stripe, NFC antenna, temperature range –40 °C to +105 °C.
  7. Milenage Algorithm SIM – 3GPP TS 35.206 compliant, 128-bit OP/OPC, SQN 48-bit, AK anonymity key.
  8. XOR Algorithm SIM – Legacy 2G/3G backward compatibility, 8-byte Ki, COMP128-1/2/3 optional.
  9. 4G/5G Test SIM Cards – 5G AKA, EAP-AKA’, SUCI concealment, Routing Indicator, Default Configured NSSAI, 5G-GUTI support.
  10. VoLTE SIM Cards Pre-paid – File system ready for OTA air-time top-up, CST, S@T, CAT-TP, BIP, USB-ICCID.

Technical Specifications

  • Card OS: Java Card 3.0.5 Classic & Connected Edition
  • EEPROM: 64 KB / 128 KB / 256 KB
  • Supply Voltage: 1.62 V – 5.5 V (Class A/B/C)
  • Protocol: T=0, T=1, USB-ICCID, SWP for NFC
  • Temperature: –40 °C to +105 °C (automotive grade)
  • Authentication: MILENAGE, XOR, COMP128-1/2/3, TUAK, 5G-AKA, EAP-AKA’
  • Security: CC EAL5+ certified silicon (Infineon SLE97, NXP SmartMX, Samsung S3FS9)
  • Personalization: ASCII, UTF-8, EBCDIC, BER-TLV; Ki/OP/OPC/IMSI/ICCID/lifetime counter editable

Industries & Use-Cases

  • 4G/5G R&D labs – UE protocol conformance, RF regression, field trials, drive tests
  • IMS Core vendors – P/I/S-CSCF, HSS, PCRF, TAS testing
  • Handset OEMs – GCF/PTCRB certification, Google VTS, carrier acceptance
  • IoT & M2M – Smart meter, connected car, industrial router, eCall, NB-IoT, LTE-M
  • Network Operators – MVNO launch, SIM-swap, OTA migration, emergency SIM stock
  • Universities & Training Centers – 5G stand-alone, VoNR, EPS-FB workshops

Why HKCARD?
✅ 24-hour sample dispatch – DHL/FedEx/UPS door-to-door
✅ Free SIM profile editor – Windows GUI & Python CLI
✅ Low MOQ – 100 pcs for custom printing, 1 pc for engineering sample
✅ Lifetime technical support – 24/7 Zoom/Teams/WeChat/Signal
✅ NDAs & secure key injection – HSM Thales payshield 9000, FIPS 140-2 level 3
✅ Green manufacturing – RoHS/REACH/CE/FCC/UKCA, halogen-free recycled PVC & PETG

How to Order in 3 Steps

  1. Email byronhan@cardmfg.com or WhatsApp +8615817372512 with quantity, algorithm, card size, delivery city.
  2. Receive pro-forma invoice & pin diagram within 30 minutes; confirm artwork & ADM keys.
  3. Pay by T/T, PayPal, Wise, USDT; goods ship same day, tracking shared, customs paperwork included.

Certifications & Patents

  • ISO 9001:2015 Quality Management
  • ISO 14001:2015 Environmental Management
  • ISO 27001:2022 Information Security
  • CE 0682, FCC Part 15, RoHS 2.0, REACH 2023, UKCA
  • 3 invention patents: “Dynamic 5G SUCI Privacy Method”, “OTA Flash-less Update”, “Multi-IMSI Steering for VoLTE”

Global Reference Customers
China Mobile, Vodafone, Orange, Telstra, T-Mobile US, Ericsson, Nokia, Huawei, Samsung, Xiaomi, Qualcomm, Apple RF Lab, MIT, ETH Zürich, NTT DoCoMo, KDDI, SoftBank, Reliance Jio, Airtel, MTN, America Movil, Telefonica, BT, Swisscom, Telia, and 600+ more under NDA.

Contact HKCARD Electronics Co., Limited

Contact HKCARD Today​

Partner with HKCARD ELECTRONICS for ​OEM SIM cards​
📞 ​Contact us now​:byronhan@cardmfg.com
byronhan1@gmail.com
byron@cardmfg.com
My skype/Teams is byron1681
Whatsapp /Phone Number:+8615817372512
🌐 ​Visit our website​: https://www.cardmfg.com/


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