HKCARD Electronics – Programmable SIM Cards Manufacturer | 4G LTE, 5G SA, Writable IMSI Ki ICCID SIM Supplier

HKCARD Electronics Co., Limited is a trusted programmable SIM card manufacturer with 15+ years of experience. We supply writable IMSI, Ki, ICCID, OP/OPc SIM cards, 4G LTE, 5G SA USIM, IoT SIM, NFC SIM, white label MVNO SIM and custom SIM card solutions worldwide.

https://www.cardmfg.com/programmable-sim-cards-4g-5g-usim-supplier

HKCARD Electronics – Reliable Programmable SIM Card Manufacturer for 4G LTE & 5G Networks

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

We specialize in writable IMSI SIM cards, programmable USIM 4G LTE cards, 5G SA SIM cards, IoT evaluation SIMs, NFC SIM cards, and custom white label MVNO SIM solutions for telecom operators, MVNO providers, IoT developers, security labs, and R&D companies worldwide.

Our mission is simple:
Provide reliable, re-programmable (not one-time burn) SIM cards for 4G LTE & 5G NR networks with full customization support.

Why HKCARD is a Trusted SIM Card Supplier

• ✅ 15+ Years SIM Manufacturing Experience
• ✅ Bulk SIM Card Wholesale Supplier
• ✅ 2FF / 3FF / 4FF (Mini/Micro/Nano SIM)
• ✅ 128K / 256K / 512K Memory Options
• ✅ USIM LTE & 5G SA 3GPP R16 Compatible
• ✅ Programmable via PC/SC Tools (pySim Supported)
• ✅ Custom SIM Card Personalization Services
• ✅ Fast Global Shipping

We support telecom labs, IoT companies, SIM card creators, SIM programming engineers, and mobile network solution providers.

Our Core Product Categories

1️⃣ Writable & Re-Programmable SIM Cards

HKCARD provides fully re-programmable SIM cards (not one-time burn) including:

• Writable IMSI SIM Cards
• Writable IMSI SIM Cards Free Configuration
• Writable Ki SIM Cards
• Writable ICCID SIM Cards
• Writable OP / OPc SIM Cards
• Writable KEY SIM Cards
• Writable SPN SIM Cards
• Writable MCC SIM Cards
• Writable MNC SIM Cards

These SIM cards are ideal for:

• SIM card testing labs
• Telecom R&D
• 4G VoLTE testers
• USIM test solutions
• SIM programming education
• SIM card creator platforms

Supported tools:
✅ PC/SC SIM tools
✅ pySim
✅ SIM personalize tools
✅ Java SIM card environments

2️⃣ 4G LTE & USIM Cards (Not GSM-Only)

We provide USIM 4G LTE cards compatible with modern LTE and WCDMA networks:

• 4G LTE/WCDMA blank cards
• USIM LTE (128K USIM / 256K / 512K)
• 4G GSM SIM Card
• Multi Network 4G VoLTE SIM Card
• 4G VoLTE Tester SIM
• Half SIM Card LTE Trio
• TD-SIM
• UIM Card / RUIM Card
• CDMA SIM Card

Perfect for:

• LTE product development
• Telecom testing environments
• Parking SIM cards systems
• IoT gateway testing
• Global roaming simulations

3️⃣ 5G SA & 5G NR Programmable SIM Cards

HKCARD is a leading supplier of:

• Programmable SIM Card 5G
• 5G SA SIM Card
• 5G SA 128K SIM
• 5G USIM
• Programmable 5G NR 3GPP R16 SA SIM Card
• SUCI SIM Card (Subscriber Concealed Identifier Support)
• Custom SIM Cards for 4G LTE & 5G NR Networks

These cards support:

• Standalone (SA) 5G Networks
• Enhanced security authentication
• IoT private networks
• 5G lab environments
• Network slicing testing

4️⃣ IoT, NFC & Smart SIM Solutions

We also manufacture:

• IoT / Evaluation SIM Cards
• NFC SIM / SIM NFC
• SIM Wallet NFC
• Near Field Communication SIM Cards
• SIM Card NFC Market Solutions
• Java SIM Card (SIM Java)
• Blank eSIM (on request)

These solutions are widely used in:

• Smart city projects
• Access control systems
• Smart parking
• Telecom IoT platforms
• Embedded SIM test environments

5️⃣ White Label & Bulk SIM Card Supply

HKCARD supports:

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

We also support sysmocom-compatible cards including:

• sysmoSIM-SJA2
• sysmoUSIM-SJS1
• sysmoSIM-SJA5
• sysmocom SIM cards

Available SIM Card Form Factors

• 2FF (Mini SIM)
• 3FF (Micro SIM)
• 4FF (Nano USIM)
• Half SIM Card
• Nano-USIM
• UIM Card / RUIM Card

Memory Options:

• 128K SIM
• 128K USIM
• 256K SIM
• 512K SIM

Custom SIM Card Solutions

HKCARD provides complete SIM card solutions, including:

• SIM Programming
• SIM Personalization
• SIM Card Creator Support
• IMSI/Ki Injection
• OP/OPc Configuration
• SPN Customization
• MCC/MNC Setup
• SIM Java Applet Installation

We help customers build:

• MVNO SIM Cards
• Private LTE/5G Network SIM
• IoT Connectivity Platforms
• Telecom Testing Solutions

Frequently Asked Questions (FAQ)

1. Are HKCARD SIM cards re-programmable?

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

2. Do you support 5G Standalone (SA) networks?

Yes. We supply 5G SA 3GPP R16 programmable USIM cards.

3. Can I write IMSI, Ki, ICCID, OP/OPc myself?

Yes. Our writable SIM cards support configuration using PC/SC tools such as pySim.

4. Do you provide SUCI-enabled SIM cards?

Yes. We provide SUCI SIM cards for enhanced 5G privacy protection.

5. What memory sizes are available?

128K, 256K, and 512K options are available.

6. Do you support sysmocom compatibility?

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

7. Can I order bulk SIM cards?

Yes. We are a SIM card wholesale supplier for bulk orders worldwide.

8. Do you provide NFC SIM cards?

Yes. We supply SIM NFC and SIM wallet NFC solutions.

9. Are your SIM cards GSM-only?

No. We provide USIM LTE and 5G SA cards, not GSM-only.

10. Do you support white label MVNO SIM?

Yes. Custom branding and white label SIM services are available.

1. Programmable 5G SA USIM Card 128K by HKCARD Electronics
2. Writable IMSI Ki ICCID SIM Card 4G LTE Nano USIM

1. Programmable SIM Card Manufacturer for 4G LTE & 5G SA Networks
2. Writable IMSI Ki ICCID SIM Cards – Bulk Wholesale Supplier
3. 5G SA 128K USIM Cards with SUCI Support – HKCARD
4. Custom White Label MVNO SIM Cards & IoT SIM Solutions
5. Re-Programmable USIM LTE & 5G NR SIM Card Factory

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Contact HKCARD Electronics

If you are searching for:

• SIM card manufacturer
• Programmable SIM cards
• 5G SA USIM supplier
• Writable IMSI Ki SIM
• White label MVNO SIM cards
• Bulk SIM card supplier

HKCARD Electronics Co., Limited is your reliable long-term partner.

📩 Contact us today for product specifications, testing samples, and wholesale pricing.

Best Regards
Byron

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