If your Samsung Galaxy A57 5G is asking for Network Unlock Code, NCK Code, or MCK Code after inserting a Nepali SIM, your device is carrier locked.
This issue is common in phones purchased from Gulf countries such as UAE, Saudi Arabia, Malaysia, Qatar, Kuwait, Oman, and Bahrain. At Eazy Mobile Shop, we provide safe, permanent, and trusted SIM unlock services for Samsung Galaxy S25 in Kathmandu, Nepal, both in-shop and online.
Samsung Galaxy A57 5G (SM-A576B) Features
- Display: 6.7-inch Super AMOLED
- Resolution: Full HD+ (1080 × 2340 pixels)
- Refresh Rate: 120Hz
- Brightness: Up to 1,900 nits (HBM)
- Protection: Corning Gorilla Glass Victus+
- Processor: Samsung Exynos 1680 (4nm)
- GPU: Xclipse GPU
- Operating System: Android 16 with One UI 8
- Software Support: Up to 6 major Android OS upgrades and 6 years of security updates
Memory & Storage
- 8GB RAM + 128GB Storage
- 8GB RAM + 256GB Storage
- microSD card support: No
Rear Camera
- 50MP Main Camera (OIS)
- 12MP Ultra-wide Camera
- 5MP Macro Camera
Front Camera
- 12MP Selfie Camera
Camera Features
- 4K video recording (front & rear)
- Optical Image Stabilization (OIS)
- Night Mode
- Portrait Mode
- AI Photo Editing
- Super HDR Video
Battery
- 5,000mAh
- 45W Super Fast Charging
- USB Type-C
Connectivity
- Dual SIM (Nano SIM + eSIM support in selected regions)
- 5G
- Wi-Fi 6
- Bluetooth 5.4
- NFC (market dependent)
- GPS, GLONASS, Galileo, BeiDou
- USB Type-C 2.0
Security
- In-display Optical Fingerprint Scanner
- Face Unlock
- Samsung Knox Vault
Audio
- Stereo Speakers
- Dolby Atmos
- No 3.5mm headphone jack
Build
- Gorilla Glass Victus+ front
- Aluminum frame
- Glass back
- IP67 Water & Dust Resistance
Why Samsung Galaxy A57 5G Shows Network / SIM Lock?
Most Samsung Galaxy A57 5G Ultra phones sold in Gulf countries are locked by mobile carriers.
When you insert a SIM card from another country (like Nepal), the phone displays messages such as:
- Network Unlock Code
- SIM Network Unlock PIN
- NCK Code Required
- MCK Code Required
This happens because the phone is restricted to a specific carrier network.
What is NCK / MCK / Network Unlock Code?
- NCK (Network Control Key): Main code required to unlock carrier restriction
- MCK (Master Control Key): Used when NCK is entered incorrectly multiple times
- These codes are unique for each phone and generated using the IMEI number
❌ Free codes from the internet usually do not work
✅ Professional unlock is the safe and permanent solution
Is Samsung Galaxy A57 Unlockable?
Yes. Samsung Galaxy A57 Ultra can be fully unlocked.
Our unlock service is:
- ✅ Permanent
- ✅ Safe for phone & data
- ✅ No rooting required
- ✅ No software downgrade
- ✅ Works with all Nepali & international SIM cards
- ✅ OTA updates supported
After unlock, you can use Ncell, NTC, Smart Cell, and any global network freely.
Samsung Galaxy A57 Unlock Options at Eazy Mobile Shop
🔹 Option 1: Visit Our Shop (Lower Cost)
If you are in Kathmandu, visiting our shop is the best and cheapest option.
Benefits:
- Lower unlock cost
- Faster processing
- Physical phone inspection
- Professional support
📍 Shop Address:
Eazy Mobile Shop
Chabahil-07, Kathmandu, Nepal
🔹 Option 2: Online IMEI or Remote Unlock (Higher Cost)
If you cannot visit our shop, we also provide online unlock service.
Details:
- IMEI-based unlock
- No need to send a phone
- Need a computer, a good data cable, and Internet
- Suitable for customers outside Kathmandu or Nepal
- Cost is higher than in-shop service
- Safe and trusted process
- Payment Should be made first before work
Unlock Price Information
The unlock cost depends on:
- Phone model & variant
- Country & carrier lock
- Lock type (NCK / MCK)
- Unlock method (shop visit or online)
💡 In-shop unlock cost is lower than online unlock.
Please contact us for the latest price while you order or enquiry.
How Long Does Unlock Take?
- In-shop unlock: Same day or a few hours (depends on carrier)
- Online unlock: 1 – 24hour
What Information Do We Need?
For faster service, please provide:
- Phone model: Samsung Galaxy A57
- Country of purchase
- Carrier name
- IMEI number
Why Choose Eazy Mobile Shop?
- ✔ Specialized in Gulf-locked Samsung phones
- ✔ Experienced SIM unlock technicians
- ✔ Safe & legal unlocking methods
- ✔ Honest pricing policy
- ✔ Physical shop in Kathmandu
- ✔ Customer support before & after service
Important Notes
- This service is only for SIM / Network unlock
- Phone must not be stolen or blacklisted
- Unlocking success depends on the correct information provided
Contact Us – Get Your Phone Unlocked Today
If your Samsung Device is network locked, don’t waste time with risky methods.
📍Store Location for Face-to-Face Deal and Visit: Chabhail Pipalbot Kathmandu, Nepal.
Whatsapp (Click Link to Send a message on Whatsapp) : bit.ly/unlocknepal
👉 Fast • Safe • Trusted Samsung Unlock Service in Nepal