How to Purchase a GS25 SIM Card and Activate a Budget Phone Plan Online
To make smart choices about your phone plan, we recommend comparing budget (MVNO) phone plans.
Budget phone carriers use the same networks as the three major providers, offering the same quality and speed of service while reducing unnecessary costs. This allows for more reasonable spending, with plans typically priced 20-50% lower than other providers.
This article will guide you through the process of purchasing a GS25 SIM card and activating a budget phone plan online.
Key Benefits of Budget Phone Plans
Purchasing a GS25 SIM Card
Choosing a Plan
Online Activation Guide
1. Key Benefits of Budget Phone Plans
Budget phone plans come with several advantages:
✔ Network
Enjoy the same call quality and speed as major carriers, as budget plans use the same networks.
✔ Contract & Penalties
No fixed contract periods mean you can use the service for as long as you want, without incurring any penalty fees.
✔ Quick Activation
Apply on the 악당쭈통신.com website and receive a new phone number in just 5-10 minutes.
✔ Versatility
Useful for various purposes, such as separating personal and work life, short or long-term projects, social media, sales, and promotional activities.
✔ Device Compatibility
Use your existing used, unlocked, or suspended devices simply by swapping the USIM card.
2. Purchasing a GS25 SIM Card
Visit any GS25 convenience store nationwide to purchase a SIM card compatible with budget phone plans.
✔ Baro USIM
Easily available at CU, Emart24, and GS25 convenience stores. The mint-colored packaging with a cat in the center is easy to spot. It costs 8,800 won and supports NFC, allowing it to be used as a public transportation card.
3. Choosing a Plan
Once you have your SIM card from GS25, you can choose a plan and register. Here are some popular unlimited plans:
❤️ Prepaid Plans
✅ LTE 396
Monthly fee: 39,600 won
Data: 10.3GB + 3Mbps
Voice & Text: Unlimited
10GB is provided upon new application; only 0.3GB is applicable for plan changes.
✅ LTE 459
Monthly fee: 45,900 won
Data: 20.3GB + 3Mbps
Voice & Text: Unlimited
Available for new applications only.
❤️ Postpaid Plans
Receive a 5,000 won coupon every month for Daiso, Olive Young, or CU.
✅ LTE 7GB
Monthly fee: 21,100 won
Data: 7GB + 10GB + 1Mbps
Voice & Text: Unlimited
Unlimited plan for around 20,000 won, with an additional 10GB provided as part of an event.
✅ LTE 11GB
Monthly fee: 39,900 won
Data: 11GB + 2GB daily + 3Mbps
Voice & Text: Unlimited
High-capacity plan for around 30,000 won, with a total of 71GB available per month.
4. Online Activation Guide
Applications are accepted from 08:00 AM to 09:50 PM.
➡ Visit 악당쭈통신.com
➡ Click KT Network
➡ Check 간편 인증서 (Simple Certificate)
➡ Configure Type
➡ Enter USIM Code
➡ Choose Plan
➡ Select Number
➡ Select Payment Method
➡ Verify Happy Call
1. Visit 악당쭈통신.com
↑↑ Click the banner to visit the site.
Enter www.악당쭈통신.com in the address bar to access the website.
2. Click KT Network
SIM cards purchased at GS25 are compatible with the KT network.
3. Check 간편 인증서 (Simple Certificate)
Verify using Kakao, Kookmin Bank, TOSS, Shinhan Bank, or PASS.
4. Configure Type
Select New, Korean National, and Prepaid/Postpaid in order.
5. Enter USIM Code
Remove the packaging from the GS25 SIM card and enter all numbers starting with 8982 30, found on the plastic SIM chip (excluding the letter F).
6. Choose Plan
Compare and select a plan based on your usage patterns and included data allowance.
7. Select Number
Enter the last 4 digits and select your preferred number from the list.
8. Select Payment Method
Prepaid: Charge the monthly fee immediately.
Postpaid: Set up your payment method for the following month (enter card & account information).
9. Verify Happy Call
Answer the Happy Call from the company (031 number) for identity verification. It's essential to answer by 5 PM the same day or 3 PM the next day; failure to do so may result in cancellation.
Now, anyone can easily activate a budget phone plan online instead of visiting a physical store. Simply purchase a SIM card from a nearby GS25 convenience store and apply.
The process is accessible and convenient, available on weekdays, weekends, and holidays. For any questions, feel free to ask 악당쭈 for a quick response.
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