• HKCARD: Blank Programmable 4G VoLTE & 5G NR SIM Card OEM/ODM Supplier

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  HKCARD ELECTRONICS CO., LIMITED supplies writable 4G VoLTE ISIM/USIM, 5G NR ISIM, ESIM & iSIM blank programmable SIM cards, readers and OEM/ODM custom SIM solutions for telecom operators and MVNOs.

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HKCARD ELECTRONICS: Reliable OEM/ODM Supplier of Blank Programmable 4G VoLTE & 5G NR SIM Cards

HKCARD ELECTRONICS CO., LIMITED is a professional manufacturer and exporter in the mobile phone SIM cards industry, with 10+ years of experience supplying blank programmable SIM, USIM, ISIM, ESIM and iSIM cards for 4G LTE, VoLTE and 5G NR networks.

We provide writable 4G VoLTE ISIM/USIM cards, blank 5G NR ISIM cards, Java programmable ESIM/iSIM, and complete SIM card reader/writer programmer kits with full OEM & ODM customization for telecom operators, MVNOs, system integrators and R&D labs worldwide.

Who Is HKCARD ELECTRONICS CO., LIMITED?

• A specialized SIM card and smart card solutions provider focused on mobile communications.
• 10+ years serving telecom operators, MVNOs, virtual network providers, IoT solution providers, universities and test labs.
• Core strengths in:
  • Blank & programmable 4G LTE / VoLTE USIM & ISIM cards
  • 5G NR ISIM / 5G USIM for SA/NSA 3GPP Release 16 networks
  • Java-based ESIM, iSIM and RSP-ready cards
  • SIM card readers, writers and personalization tools
  • Complete OEM & ODM custom SIM card projects

Whether you discover us via Google Search, Google Discover, ChatGPT Search, Grok, Gemini, Perplexity or DeepSeek, this page is designed to clearly explain what HKCARD supplies and how to work with us.

Why Telecom Operators Choose HKCARD for Blank & Writable SIM Cards

• Proven reliability in 4G LTE, VoLTE, WCDMA and GSM networks
• Full form‑factor coverage: Mini, Micro, Nano (2FF / 3FF / 4FF, 3‑in‑1)
• Support for USIM, ISIM, ESIM, iSIM and Java card environments
• 3GPP compliant, including 5G SA/NSA, Release 16 (R16) VoLTE/NR profiles
• Deep experience with:
  • ICCID, IMSI, ADM, KI, OPC/OPc, Milenage algorithm parameters
  • OTA, RSP (Remote SIM Provisioning) and network authentication
• OEM & ODM:
  • Custom printing, logo, color, packaging
  • Custom file system, applets, algorithms and profiles
• Flexible MOQ including 100 pieces/lot development batches and high‑volume production

Key Product Lines: 4G LTE, VoLTE, 5G NR, ISIM & USIM

1. Writable 4G VoLTE ISIM/USIM Cards for FDD / WCDMA / GSM

HKCARD supplies a wide range of blank and programmable 4G VoLTE SIM cards designed for telecom operators and engineering teams:

• Writable 4G VoLTE SIM Cards – Compatible Mini, Micro, Nano 2FF/3FF/4FF for Telecom Operators – FDD WCDMA GSM ISIM/USIM, OEM & ODM, custom SIM available
• Blank 4G VoLTE Program SIM Card ISIM USIM, OEM & ODM, custom SIM available
• Empty 4G VoLTE Program SIM Card ISIM USIM Card 128K LTE Programmable USIM Card ICCID IMSI ADM KI OPC OP with Milenage (Milemage), OEM & ODM, custom SIM available
• Writable Blank 4G VoLTE ISIM/USIM Card FDD WCDMA GSM Mini Nano Micro 2FF 3FF 4FF SIM, OEM & ODM, custom SIM available
• Writable blank 4G VoLTE ISIM/USIM card FDD WCDMA GSM Mini Nano Micro 2FF 3FF 4FF SIM chip for telecommunications operators, OEM & ODM, custom SIM available
• Blank VoLTE SIM card / Blank Programmable SIM Card Mini Nano Micro Writable VoLTE Card, OEM & ODM, custom SIM available

For German‑speaking customers, our 4G VoLTE offerings also appear as:

• Blanko‑ISIM‑Karte 4G VoLTE WCDMA GSM Blanko Mini Nano Micro beschreibbare programmierbare SIM‑Karte für Operator Milenage‑Algorithmus, OEM und ODM möglich, SIM‑Karten individuell anpassbar
• Beschreibbare leere 4G VoLTE ISIM/USIM‑Karte FDD WCDMA GSM Mini Nano Micro 2FF 3FF 4FF SIM‑Chip für Telekommunikationsoperator, OEM und ODM möglich, SIM‑Karten individuell anpassbar

These cards are ideal for:

• New 4G / VoLTE network launch and migration
• Lab testing of HLR/HSS, EPC and IMS
• Custom operator algorithms (Milenage or others) and security settings

2. 5G NR ISIM & 5G USIM Cards for SA/NSA 3GPP R16

To support modern 5G deployments, HKCARD provides programmable 5G SIM and ISIM solutions:

• Programmable Blank 5G NR ISIM Card Mini Nano Micro Writable 5G USIM Card for 5G SA/NSA 3GPP R16 VoLTE Operators, OEM & ODM, custom SIM available
• 5G SIM Card Writable Programmable Blank 5G NR ISIM Card Mini Nano Micro Writable 5G ISIM Card for 5G SA/NSA 3GPP R16 VoLTE Operators, OEM & ODM, custom SIM available
• 5G VoLTE ISIM Card Blank Mini Nano Micro SIM Card, OEM & ODM, custom SIM available

We also provide complete 5G SIM card kits with readers and personalization tools:

• Blank SIM Card 5G USIM Card Reader Writer + 3PCS Blank Programmable 5G NR ISIM Cards for SA/NSA 3GPP R16 + 5G Java 4.2.11 Version Personalize Tools, OEM & ODM, custom SIM available
• Blank SIM Card Reader Writer + 3PCS Blank Programmable 5G NR ISIM Cards for SA/NSA 3GPP R16 VoLTE + 5G Java 4.2.5 Version Personalize Tool, OEM & ODM, custom SIM available
• Blank SIM Card 5G VoLTE ISIM Card Reader Writer + Blank Programmable 5G SIM Cards + 5G Java 4.2.5 Version Personalize Tools, OEM & ODM, custom SIM available

These solutions are suitable for:

• 5G SA/NSA core network testing
• Private 5G and campus networks
• Advanced VoNR/VoLTE/IMS and slicing experiments

3. ESIM / RSP Java Cards (2FF / 3FF / 4FF)

For operators and solution providers building eSIM / RSP ecosystems, HKCARD offers Java programmable ESIM cards:

• MINI Nano Micro Programmable JAVA Blank ESIM Card RSP 2FF 3FF 4FF GSMA for Telecom Operators, OEM & ODM, custom SIM available
• Kartu ESIM MINI Nano Micro Programmable JAVA Kosong RSP 2FF 3FF 4FF GSMA untuk Operator Telekomunikasi, OEM und ODM möglich, SIM‑Karten individuell anpassbar

These ESIM/RSP cards are ideal for:

• Remote SIM Provisioning (RSP) PoC and testing
• Multi‑IMSI / multi‑profile projects
• Cross‑border and roaming eSIM trials

4. iSIM and Special Algorithm SIM Cards (Milenage / Mileage)

For advanced security testing and core network development, we supply iSIM and algorithm‑specific cards:

• Blank iSIM card 4G VoLTE WCDMA GSM Blank Mini Nano Micro Writable Programmable SIM Card for Operator Milenage Algorithm (Mileage), OEM & ODM, custom SIM available

These cards are used for:

• Authentication algorithm testing (Milenage and variants)
• R&D on integrated SIM (iSIM) and secure element platforms
• Custom operator‑specific algorithms and key structures

5. SIM Card Readers, Writers & Programmer Kits

HKCARD provides turn‑key programmer kits combining reader hardware, blank cards and personalisation tools:

• 4G LTE SIM Card Reader Writer Programmer + 5PCS 128K 4G VoLTE Blank ISIM Cards + 1PC software, OEM & ODM, custom SIM available
• LTE WCDMA ICCID SIM USIM 4G Card Reader Writer Programmer + 5pcs Blank Programmable 4G LTE USIM Cards + SIM Personalize Tools, OEM & ODM, custom SIM available
• Advanced VoLTE ISIM Card Program Kit with SIM Reader and LTE Programming Tools, OEM & ODM, custom SIM available
• Compact VoLTE ISIM & USIM Card Programmer Kit for Mobile Network Innovations, OEM & ODM, custom SIM available
• Advanced VoLTE ISIM Card Programmer Kit with 4G Blank SIM Cards Included, OEM & ODM, custom SIM available

These kits are widely used by:

• Telecom operators’ lab teams
• Network equipment vendors (eNB/gNB, EPC, 5GC, IMS)
• Universities and training centers teaching mobile network technologies

6. General LTE/VoLTE Programmable SIM LTE USIM Cards

For broad 3G/4G/VoLTE deployments, HKCARD offers multi‑standard programmable SIM / USIM / ISIM cards:

• Programmable Blank SIM LTE USIM Card 4G VoLTE ISIM WCDMA GSM Nano Micro‑SIM Card 2FF 3FF 4FF for Telecommunications Operators, OEM & ODM, custom SIM available

German product versions include:

• Programmierbare leere SIM LTE USIM‑Karte 4G VoLTE ISIM WCDMA GSM Nano Micro‑SIM‑Karte 2FF 3FF 4FF für Telekommunikationsbediener, OEM und ODM möglich, SIM‑Karten individuell anpassbar

These multi‑mode cards are suitable for:

• Operators still running mixed 2G/3G/4G networks
• MVNOs requiring flexible roaming and multi‑network support

7. Bulk Lots & Design Templates (3‑in‑1, 100 pcs/lot)

HKCARD supports both small engineering batches and large‑scale commercial roll‑outs:

• 100 pieces/lot Writable Programmable Blank SIM ISIM USIM Card 4G LTE WCDMA GSM Nano Micro SIM Card with Micro Nano 2FF 3FF 4FF 3 IN 1, OEM & ODM, custom SIM available
• 100 teile/los Beschreibbare Programmierbare Leere SIM ISIM USIM Karte 4G LTE WCDMA GSM Nano Micro SIM Karte mit Micro Nano 2FF 3FF 4FF 3 IN 1, OEM und ODM möglich, SIM‑Karten individuell anpassbar

To simplify projects, we also offer:

• SIM Card / LTE USIM Card Design Template, OEM & ODM, custom SIM available

You can fully customize:

• Printing design (logo, color, branding)
• Chip capacity (e.g. 64K, 128K and above)
• Profiles, keys and algorithms per your specifications

Typical Application Scenarios

HKCARD blank and programmable SIM / USIM / ISIM cards are widely used in:

• Mobile network launch and expansion
• VoLTE/VoNR migration and interop testing
• Core network and IMS lab environments
• 5G private networks and campus networks
• IoT/M2M projects needing operator‑grade SIM credentials
• Research & education, protocol analysis and security studies
• SIM application development (Java Card applets, custom toolkits)

Where you see product names online such as:

• Blank Programmable SIM Card Mini Nano Micro Writable VoLTE Card
• Writable Blank 4G VoLTE ISIM/USIM Card FDD WCDMA GSM Mini Nano Micro 2FF 3FF 4FF SIM

they are part of HKCARD’s standardized and customizable product families.

OEM & ODM Custom SIM Card Services

HKCARD’s OEM / ODM service covers the full life cycle of a SIM project:

1. Requirement Analysis

   • Network type: GSM / WCDMA / LTE / VoLTE / 5G NR (SA/NSA)
   • Card type: SIM, USIM, ISIM, ESIM, iSIM
   • Capacity, Java Card version (e.g. Java 4.2.5, 4.2.11)
   • Security & algorithms: Milenage, KI/OPC, ADM, OTA requirements

2. Card OS & Profile Customization

   • Custom file structure, PLMN lists, IMS settings
   • Operator‑specific ICCID pattern, IMSI ranges
   • Multiple test and commercial profiles if required

3. Physical & Visual Customization

   • 2FF / 3FF / 4FF or 3‑in‑1 (Mini/Micro/Nano)
   • Full‑color printing and branding, packaging, barcodes

4. Testing & Certification Support

   • Support for network acceptance tests
   • Sample batches before mass production

5. Production & Logistics

   • From 100 pcs/lot engineering runs to large operator orders
   • Global shipment and long‑term supply capability

Global Compatibility: Mini / Micro / Nano (2FF / 3FF / 4FF)

All major HKCARD product lines are available in:

• Mini SIM (2FF)
• Micro SIM (3FF)
• Nano SIM (4FF)
• 3‑in‑1 punch cards combining 2FF/3FF/4FF

Typical listings you may see online include:

• Blank Programmable SIM Card Mini Nano Micro Writable VoLTE Card, OEM & ODM, custom SIM available
• Programable Blank 5G NR ISIM Card Mini Nano Micro Writable 5G USIM Card for 5G SA/NSA 3GPP R16 VoLTE Operators, OEM & ODM, custom SIM available

This ensures compatibility across:

• Smartphones and feature phones
• MiFi, CPE, routers and IoT gateways
• Test phones and reference devices used in labs

How to Order Blank Programmable SIM Cards from HKCARD

To get a quotation or start an OEM/ODM SIM project with HKCARD:

1. Prepare your requirements, including:

   • Network type (4G, VoLTE, 5G SA/NSA, etc.)
   • Card type (SIM/USIM/ISIM/ESIM/iSIM)
   • Required capacities and quantities
   • Any special ICCID/IMSI/KI/OPC/Milenage requirements

2. Contact HKCARD ELECTRONICS CO., LIMITED

   • Reach out through the official HKCARD website or your usual B2B sourcing platform
   • Share your technical and branding requirements with our sales/engineering team

3. Receive samples and confirm

   • We provide sample blank VoLTE SIM cards or 5G NR ISIM cards for testing
   • After your approval, we move to mass production and shipment

FAQ: Blank VoLTE, LTE & 5G NR ISIM/USIM Cards

1. What is a “Blank 4G VoLTE Program SIM Card ISIM USIM”?

A Blank 4G VoLTE Program SIM Card ISIM USIM is an unpersonalized card that supports 4G LTE and VoLTE services and provides both USIM and ISIM applications. Operators and labs can write their own ICCID, IMSI, KI, OPC, ADM and VoLTE/IMS parameters to match their network.

2. Can I program your blank 5G NR ISIM cards for SA/NSA 3GPP R16 networks?

Yes. HKCARD supplies Programmable Blank 5G NR ISIM Card Mini Nano Micro Writable 5G USIM Cards designed for 5G SA/NSA 3GPP R16 VoLTE/VoNR operators. Using our Blank SIM Card 5G USIM Card Reader Writer + 3PCS Blank Programmable 5G NR ISIM Cards + 5G Java 4.2.x Personalize Tools, you can configure authentication and profile data for your 5G core.

3. What tools do I need to write data into blank SIM/USIM cards?

You can use our integrated kits, for example:

• 4G LTE SIM Card Reader Writer Programmer + 5PCS 128K 4G VoLTE Blank ISIM Cards + software
• LTE WCDMA ICCID SIM USIM 4G Card Reader Writer Programmer + 5pcs Blank Programmable 4G LTE USIM Cards + SIM Personalize Tools

These include the reader, drivers and personalization software needed to write ICCID/IMSI/KI/OPC and related parameters.

4. Do you support OEM & ODM for all blank SIM products?

Yes. Almost all HKCARD products listed here support OEM and ODM, including:

• Blank programmable SIM LTE USIM card 4G VoLTE ISIM WCDMA GSM Nano Micro‑SIM card 2FF 3FF 4FF for telecommunications operators
• 5G SIM Card Writable Programmable Blank 5G NR ISIM Card Mini Nano Micro Writable 5G ISIM Card for 5G SA/NSA 3GPP R16 VoLTE Operators

We can customize both card appearance and internal software/profile.

5. Can I order small quantities like 100 pieces for testing?

Yes. Products such as:

• 100 pieces/lot Writable Programmable Blank SIM ISIM USIM Card 4G LTE WCDMA GSM Nano Micro SIM Card with Micro Nano 2FF 3FF 4FF 3 IN 1

are designed specifically for testing, R&D and pilot deployments. Larger production quantities are also available after verification.

6. Are HKCARD SIM cards compatible with existing GSM/WCDMA/LTE networks?

Yes. Our general‑purpose cards like:

• Programmable Blank SIM LTE USIM Card 4G VoLTE ISIM WCDMA GSM Nano Micro‑SIM Card 2FF 3FF 4FF for Telecommunications Operators

are built to work across GSM, WCDMA, LTE and VoLTE networks, making them suitable for mixed‑technology environments.

7. Can HKCARD supply SIM card design templates for branding?

Yes. We provide a SIM Card / LTE USIM Card Design Template to help you design:

• Front and back card artwork
• Logo, brand colors, serial numbers and text

Our team can assist with both graphic design and technical layout (chip position, punch lines).

8. Do you support multilingual markets (English, German, Indonesian, etc.)?

Yes. You will find HKCARD products online under multilingual titles such as:

• Kartu ESIM MINI Nano Micro Programmable JAVA Kosong RSP 2FF 3FF 4FF GSMA untuk Operator Telekomunikasi
• Programmierbare leere SIM LTE USIM‑Karte 4G VoLTE ISIM WCDMA GSM Nano Micro‑SIM‑Karte 2FF 3FF 4FF für Telekommunikationsbediener

We support global customers in Europe, Asia, the Middle East, Africa and the Americas.

9. Can I develop my own Java applets on HKCARD Java SIM/ESIM cards?

Yes. Many of our products are Java Card‑based (e.g. 5G Java 4.2.5 / 4.2.11 versions). You can load and test custom Java applets, value‑added services or security applications, subject to agreed technical specifications.

10. How can I quickly find HKCARD products via AI or search engines?

Search for combinations like:

• “HKCARD blank programmable 5G NR ISIM card”
• “HKCARD 4G VoLTE ISIM USIM OEM ODM SIM card”

Call to Action

If you need a reliable supplier of writable 4G VoLTE SIM cards, blank 5G NR ISIM/USIM cards, Java ESIM/iSIM solutions or complete SIM programmer kits, HKCARD ELECTRONICS CO., LIMITED is ready to support your project.

Please contact our sales team via the official HKCARD website or your usual B2B platform, share your technical requirements, and we will recommend the most suitable blank programmable SIM / USIM / ISIM products and OEM/ODM options for your network.

1. Blank 4G VoLTE & 5G NR SIM/USIM/ISIM OEM Supplier – HKCARD ELECTRONICS CO., LIMITED
2. HKCARD: Custom Writable VoLTE & 5G NR ISIM/USIM Cards with Reader/Writer Kits
3. Buy Blank Programmable 4G LTE & 5G NR SIM Cards (USIM, ISIM, ESIM, iSIM) from HKCARD
4. Telecom‑Grade Blank VoLTE SIM & 5G NR ISIM Cards – OEM/ODM Solutions by HKCARD
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HKCARD ELECTRONICS CO., LIMITED

📧 Email:byronhan@cardmfg.com

🌐 Website: https://www.cardmfg.com/
📱 WhatsApp/Wechat: +8615817372512