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If you own a Samsung Galaxy S20 or S20 Ultra and want the flexibility to switch network carriers, unlocking your phone is the essential next step. A carrier lock restricts your device to one network, but unlocking it grants you the freedom to choose any compatible carrier you prefer, which is especially useful for finding better plans or using international SIM cards while traveling abroad.
This comprehensive guide will walk you through the various methods to successfully unlock your Samsung Galaxy S20 or S20 Ultra. By following these instructions, you'll be able to break free from carrier restrictions and use your premium device on any network you choose.
In this article
- Part 1. Key Differences: Samsung S20 vs. S20 Ultra
- Part 2. Understanding the Network Unlock Code
- Part 3. Is It Legal to Unlock a Samsung Galaxy S20/S20 Ultra?
- Part 4. How to Network Unlock Your Samsung S20/S20 Ultra for Any Carrier
- Part 5. Bonus Tip: How to Remove the Screen Lock on Samsung S20/S20 Ultra
Part 1. Key Differences: Samsung S20 vs. S20 Ultra
The Samsung Galaxy S20 series represents a line of high-end smartphones renowned for their premium cameras, 5G capabilities, and advanced specifications. Both the Samsung S20 and S20 Ultra feature stunning Super AMOLED displays with a smooth 120Hz refresh rate. The primary distinction between them is screen size: the S20 has a 6.2-inch display, while the S20 Ultra boasts a larger 6.9-inch screen.
In terms of camera technology, the S20 is equipped with a 64MP telephoto lens, a 12MP main sensor, and a 12MP ultrawide lens, enabling it to capture professional-grade, high-resolution photos. The S20 Ultra takes photography even further with a massive 108MP main lens that allows for incredible zoom capabilities. Additionally, the S20 Ultra is powered by a 5000mAh battery with a 25W fast charger, compared to the S20's 4000mAh battery. Both models feature powerful processors that deliver exceptional performance, justifying their premium price point.
Technical Specifications of Samsung Galaxy S20 and S20 Ultra
| Specs | Samsung Galaxy S20 | Samsung Galaxy S20 Ultra |
|---|---|---|
| Weight | 163 g (5.75 oz) | 220 g (7.76 oz) |
| Size | 6.2 inches, ~89.5% screen-to-body ratio | 6.9 inches, ~89.9% screen-to-body ratio |
| Resolution | 1440 x 3200 pixels, ~563 ppi density | 1440 x 3200 pixels, ~511 ppi density |
| OS | Android 10, upgradable to Android 11, One UI 3.0 | Android 10, upgradable to Android 11, One UI 3.0 |
| CPU | Exynos 990 (Global) / Snapdragon 865 5G (USA) | Exynos 990 (Global) / Snapdragon 865 5G (USA) |
| GPU | Mali-G77 MP11 (Global) / Adreno 650 (USA) | Mali-G77 MP11 (Global) / Adreno 650 (USA) |
| Memory | 128GB 8GB RAM | 128GB 12GB RAM, 512GB 16GB RAM |
| Main Camera | 12 MP (wide), 64 MP (telephoto), 12 MP (ultrawide) | 108 MP (wide), 48 MP (periscope telephoto), 12 MP (ultrawide), 0.3 MP (depth) |
| Selfie Camera | 10 MP, f/2.2, 26mm (wide) | 40 MP, f/2.2, 26mm (wide) |
| Battery | 4000mAh | 5000mAh |
Part 2. Understanding the Network Unlock Code
A network unlock code, also known as a SIM Network Unlock PIN (NUP), is a unique numerical key used to release a smartphone from its original carrier's network restrictions. This code is calculated specifically for your device using its unique IMEI number. Once you enter the correct code, the software lock is removed, allowing your Samsung S20 or S20 Ultra to accept SIM cards from any compatible network provider. This gives you the freedom to switch carriers at will.
Part 3. Is It Legal to Unlock a Samsung Galaxy S20/S20 Ultra?
Yes, it is generally legal to unlock your Samsung Galaxy S20/S20 Ultra, provided you meet certain conditions. If you purchased your phone on an installment plan or through a contract, you technically do not have full ownership until the device is paid off completely. Attempting to unlock it before fulfilling your contract could violate your agreement with the carrier. However, once you have paid for the phone in full, you have the legal right to request a network unlock. In many countries, carriers are legally obligated to provide the unlock code for free upon request once a customer's contract is fulfilled and their account is in good standing.
Part 4. How to Network Unlock Your Samsung S20/S20 Ultra for Any Carrier
Are you ready to discover how to unlock your Samsung S20 or S20 Ultra? This section provides detailed instructions for two primary methods to free your device from its current carrier.
Method 1: Request a Free SIM Unlock Code from Your Carrier
The most straightforward way to unlock your phone is by requesting the code directly from your service provider, free of charge. However, you must meet their eligibility requirements first. While these can vary between carriers, the general conditions include having your device fully paid off and maintaining an active account in good standing for a specific period (often 60-90 days).
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Step 1 Find Your IMEI Number
Open the dialer on your Samsung S20 or S20 Ultra and type *#06#. Your unique 15-digit IMEI number will immediately appear on the screen. Write this number down, as your service provider will require it.
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Step 2 Contact Your Service Provider
Call your carrier's customer service line and request a network or SIM unlock code for your device. Provide them with your account details and the IMEI number you just retrieved.
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Step 3 Receive and Enter the Unlock Code
If you meet all the requirements, the carrier will process your request and send the Network Unlock Code to your registered email address, typically within 2-5 business days. Once you receive the code, power off your phone, remove the original SIM card, and insert a SIM from a different carrier. Turn the phone back on, and you will be prompted to enter the unlock code. Type it in carefully to complete the process.
Method 2: Use a Paid Third-Party Unlocking Service
If you don't meet your carrier's requirements or need to unlock your phone more quickly, a paid online unlocking service is an excellent alternative. Here are two reliable options.
1. UnlockMySIM
UnlockMySIM is a well-regarded online service that provides unlock codes for a wide range of devices, including Android and iOS models. It offers a fast and straightforward three-step process to get your Samsung device unlocked. The platform is known for its high success rate and broad compatibility with numerous carriers worldwide.
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Step 1 Provide Device Information
Go to the UnlockMySIM official website. On the homepage, select your country and the original carrier that your Samsung S20 or S20 Ultra is locked to.
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Step 2 Enter IMEI and Complete Payment
Find your phone's IMEI by dialing *#06#. Enter this number on the website, provide the other requested details, and complete the payment for the service.
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Step 3 Unlock Your Phone
You will receive an email containing your unique unlock code and instructions. Follow the provided directions to enter the code on your Samsung device and finalize the unlock.
2. Official SIM Unlock
Official SIM Unlock is another trusted platform for obtaining an unlock code for your Samsung S20 or S20 Ultra. It offers a streamlined process that guarantees a permanent unlock, allowing you to switch to any network carrier smoothly. Follow these steps to use their S20 unlock service:
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Step 1 Submit Your Order
Navigate to the Official SIM Unlock website. Choose your country, your current network carrier, and enter your phone's IMEI number (*#06# on the dial pad).
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Step 2 Receive the Unlock Code
Proceed with the payment to place your order. After processing, you will receive a confirmation email with your unlock code. Simply follow the instructions in the email to use the code and successfully unlock your Samsung S20 or S20 Ultra.
Part 5. Bonus Tip: How to Remove the Screen Lock on Samsung S20/S20 Ultra
Forgetting your phone's screen password, pattern, or PIN can be frustrating. If you're locked out of your Samsung S20/S20 Ultra, a network unlock code won't help. For this issue, you need a specialized tool like Dr.Fone - Screen Unlock (Android). This powerful software is designed to smoothly remove all types of screen locks, including passwords, patterns, PINs, and fingerprints, often without data loss on select Samsung models. It is compatible with all major Android brands, making it a reliable solution for regaining access to your device.
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Step 1 Launch Dr.Fone and Select Screen Unlock
After installing Dr.Fone on your computer, open the program and select "Screen Unlock" from the main toolbox. Connect your Samsung S20/S20 Ultra to the computer with a USB cable and then choose "Unlock Android Screen."
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Step 2 Put Your Phone into Download Mode
On the next screen, select your device's brand and model to ensure the correct recovery package is downloaded. Then, follow the on-screen instructions to put your Samsung phone into Download Mode. This typically involves powering off the device and then holding a specific combination of keys (like Power + Bixby + Volume Down).
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Step 3 Download Recovery Package and Remove Lock
Once your phone is in Download Mode, the software will automatically begin downloading the necessary recovery package. After the download is complete, click the "Remove Now" button. Dr.Fone will then proceed to remove the screen lock, and you will regain full access to your device shortly.
Conclusion
Unlocking your Samsung S20 or S20 Ultra is a valuable step towards gaining full control over your device. This guide has presented effective solutions for a successful Samsung Galaxy S20/S20 Ultra unlock, whether you choose the free carrier method or a paid online service. Additionally, for those facing screen lock issues, we've highlighted how Dr.Fone - Screen Unlock (Android) can instantly remove passwords, PINs, patterns, and fingerprints, providing a comprehensive solution for all your unlocking needs.
FAQ
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1. Does network unlocking a Samsung S20 affect my warranty?
No, network unlocking your phone using official methods (from the carrier or with a legitimate unlock code) should not void your manufacturer's warranty. The warranty covers hardware defects, which are unrelated to the network lock status. However, rooting or modifying the phone's software in other ways could potentially affect your warranty. -
2. Can I re-lock my phone after it's been unlocked?
Generally, a network unlock is permanent. Once your Samsung S20 or S20 Ultra has been successfully unlocked, it will remain unlocked even after software updates or factory resets. It is not possible to re-lock it to a specific carrier. -
3. What should I do if the unlock code doesn't work?
First, double-check that you have entered the code correctly. If it still fails, contact the source that provided the code. If it was your carrier, their customer support should be able to assist. If you used a paid service, contact their support team for troubleshooting. It's also possible your phone has a "hard-locked" status if an incorrect code was entered too many times, which may require a different solution. -
4. Is factory resetting the same as network unlocking?
No, they are completely different processes. A factory reset erases all your personal data and settings, returning the phone's software to its original state, but it does not remove the network lock. The carrier lock is stored in a separate, protected part of the device's memory that is not affected by a factory reset.
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