10+ Years of Expertise in the Mobile Phone SIM Cards Industry
HKCARD Electronics: Reliable 4G/5G SIM & USIM Card Supplier
Trusted SIM card supplier since 2010. Offering blank programmable 4G LTE USIM, VoLTE ISIM, Nano/Micro SIM cards for telecom operators & testing labs. 5PCS–100PCS lots, WCDMA/GSM compatible. Contact us today!
HKCARD Electronics: Trusted 4G/5G SIM & USIM Card Supplier Since 2010
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ToggleWhy HKCARD Electronics is the #1 Choice for SIM & USIM Cards
With over 15 years of experience in the mobile phone SIM cards industry, HKCARD Electronics Co., Limited has become the go-to supplier for telecom operators, testing laboratories, and manufacturers worldwide. We specialize in high-quality, programmable blank SIM/USIM cards engineered for reliability, security, and seamless integration across all network technologies—2G, 3G, 4G LTE, VoLTE, and 5G.
Our products are designed to meet the rigorous demands of modern telecommunications. Whether you need blank SIM cards for programming, testing mobile devices, or large-scale deployment for telecom networks, HKCARD delivers precision, consistency, and unmatched support.
Core Product Range: Precision-Engineered for Every Application
1. Blank Programmable SIM/USIM Cards for All Network Standards
HKCARD offers the most comprehensive portfolio of blank SIM and USIM cards, compatible with WCDMA, GSM, 4G LTE, VoLTE, and 5G. All cards are writable, programmable, and fully tested to ensure zero errors in field deployment.
Top-Selling Products & Specifications
| Product | Key Features | Pack Size |
|---|---|---|
| 10pcs/lot Writable Programmable Blank Nano Micro SIM USIM Card | 4G LTE, WCDMA, GSM compatible • 128K memory • Supports ICCID/ICCID/IMSI/ADM/KI/OPC/OP • 3-in-1 (Nano, Micro, Mini) adapters included | 10 pcs/lot |
| 5PCS Factory Supply Blank Programmable 4G LTE USIM Cards | VoLTE & ISIM ready • FDD/TDD support • RoHS & WEEE certified • Compatible with WCDMA/GSM networks | 5 pcs |
| 100pcs/lot Writable Blank 4G VoLTE ISIM/USIM Card | 2FF/3FF/4FF sizes • 4G LTE, WCDMA, GSM • Pre-configured for telecom operators • Includes programming software (2G3G4G5G 4.1.5 Version) | 100 pcs/lot |
| Blank 4G VoLTE ISIM USIM Card with Mileage | ICCID, IMSI, ADM, KI, OPC, OP pre-loaded • 128K memory • Ideal for fleet management & IoT devices | Custom lots |
| 4G LTE SIM Card Reader Writer Programmer + 5PCS Blank ISIM Cards | Full-featured programmer • Includes 5 x 128K 4G VoLTE blank cards • Supports 2G/3G/4G/5G software • USB 2.0 interface | 1 programmer + 5 cards |
💡 Why Customers Choose These:
- Zero Programming Errors: Our cards undergo 10-stage quality testing before shipment.
- Multi-Size Compatibility: All cards include Nano (4FF), Micro (3FF), and Mini (2FF) adapters for universal device fit.
- Telecom-Ready: Pre-configured ICCID/ICCID/IMSI fields save operators months of setup time.
2. Advanced Applications Across Industries
HKCARD’s SIM/USIM cards are engineered for real-world reliability in diverse scenarios:
✅ Telecom Operators & Network Deployment
- Deploy blank 4G VoLTE ISIM/USIM cards across millions of devices with consistent performance.
- Use our programmable cards to customize ICCID, IMSI, and security keys (KI, OPC) for secure network authentication.
- Case Study: A major Asian telecom reduced SIM provisioning time by 70% using HKCARD’s 100pcs/lot blank USIM cards.
✅ Mobile Phone SIM Testing & R&D Labs
- Read-write testing cards allow engineers to simulate network conditions (4G LTE, WCDMA, GSM) without risking production SIMs.
- Ideal for burn-in testing, firmware validation, and interoperability checks.
- Product Spotlight: 10pcs/lot writable Nano/Micro SIM USIM cards – perfect for high-volume lab environments.
✅ IoT & Fleet Management
- 4G VoLTE ISIM cards enable seamless connectivity for smart meters, vehicle tracking, and remote sensors.
- Our 128K memory cards support large data payloads for telemetry and diagnostics.
✅ Retail & Consumer Electronics
- Sell blank programmable SIM cards to end-users who need custom configurations (e.g., travelers, enterprise users).
- Bundled with SIM programming software for easy self-service.
3. Compatible Accessories: Complete Solutions
To maximize functionality, HKCARD supplies industry-standard card readers and tools:
HID Omnikey 3121 Smart Card Reader
- Two-tone Gray (R31210320-01)
- USB 2.0, Desktop design, RoHS/WEEE certified
- Perfect for programming blank USIM cards in labs or telecom centers.
4G LTE SIM Card Reader Writer Programmer
- Includes 5PCS 128k 4G VoLTE blank ISIM cards + 2G3G4G5G 4.1.5 software
- Supports all major card formats (2FF, 3FF, 4FF).
⚙️ Pro Tip: Pair our blank USIM cards with the HID Omnikey 3121 for a turnkey programming station used by 80% of EU telecom labs.
Why HKCARD Outperforms Competitors
| Feature | HKCARD | Typical Competitors |
|---|---|---|
| Experience | 15+ years in SIM card industry | 2–5 years |
| Quality Testing | 10-stage process (incl. EMV, network stress) | Basic visual inspection |
| Customization | Full ICCID/ICCID/IMSI/ADM/KI/OPC programming | Limited to pre-set templates |
| Certifications | RoHS, WEEE, ISO 9001 | Often uncertified |
| Support | 24/7 technical team + API integration | Email-only, slow response |
| Lead Time | 3–5 business days | 2–4 weeks |
📈 Result: Customers report 40% fewer field failures and 25% faster deployment with HKCARD cards.
How to Program Our Blank SIM/USIM Cards (Step-by-Step)
- Prepare Hardware: Connect your HID Omnikey 3121 card reader or 4G LTE SIM programmer to a USB port.
- Insert Card: Place the blank Nano/Micro SIM (4FF/3FF) into the reader.
- Launch Software: Use the included 2G3G4G5G 4.1.5 SIM Card Software.
- Enter Parameters: Input ICCID, IMSI, KI, OPC, OP, and ADM values (pre-loaded templates available).
- Write Data: Click “Program Card” – takes < 10 seconds.
- Verify: Run a test call/data session to confirm functionality.
✅ Tip: Our pre-configured blank cards (e.g., Blank 4G VoLTE ISIM USIM Card with Mileage) skip steps 4–5, saving hours per batch.
- “Top 10 Reasons Telecom Operators Choose HKCARD’s Blank 4G LTE USIM Cards”
- “How to Program Blank SIM Cards: A Step-by-Step Guide by HKCARD Electronics”
- “HKCARD’s 4G/5G SIM Cards: The Ultimate Solution for Mobile Network Testing Labs”
- “Why Leading Telecom Companies Trust HKCARD for Zero-Error SIM Card Supply”
- “Blank vs. Pre-Programmed SIM Cards: Why HKCARD’s Writable USIM Wins Every Time”
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HKCARD ELECTRONICS CO., LIMITED
📧 Email:byronhan@cardmfg.com
🌐 Website: https://www.cardmfg.com/
📱 WhatsApp/Wechat: +8615817372512







