Go to product list

See details

The Most Reliable and lnexpensive
Mobile Service in Korea

Current Page

  1. Home
  2. Forum
  3. FAQ


Frequently Asked Questions and Answers

Forum Details
Title I checked the SIM was well activated. But I can not use the SIM with my phone.
Posted by Korea SIM card, Best unlimited data USIM for trip (ip:)
  • Date 2018-02-09 10:30:42
  • Recommend Recommend
  • View 2912
  • Rate 0points

Q: I checked the SIM was well activated. But I can not use the SIM with my phone.

A : Please refer to the following Check list.

  1) Check out if the phone is unlocked.
     You can consult unlock issue with your phone maker or original telecommunication company.

  2) If your phone has 2 SIM slots, insert the SIM only into slot 1(slot 2 : empty) and try rebooting again.

  3) Make it clear to turn on and off 5 times.

  4) If you have ever used the phone with another SIM from Korea before,

     it can be because the prior SIM was still connected to the phone.

     In this case, you should contact to the prior SIM company and request to close the connection.


     If you can not, please let us know

1. the SIM information

2. the IMEI number of your phone

3. the prior SIM company name

4. your name

5. When was the prior SIM activation

     though facebook messenger in this page or cs@prepia.co.kr .

     We will try to contact and solve it.

   5) Make an APN setting (refer to the manual)

Password * Type in password to change or delete.
Admin Spam Not Spam
List Delete Edit Reply
  • d**** 2019-04-21 07:45:51 0points Edit Comment Remove Comment 댓글

    Spam 오더 넘버 20190414-0000149 입니다. Blue
    인천공항 2터미널에서 4/16일자로 찾았는데 wifi 지역에서만 쓸 수 있어서 먹통입니다.

Spam Not Spam

Edit Comment


Edit Cancel

/ byte

Add Comment

Add a commentNamePasswordView Reply


/ byte

* Please type without any spaces.(case sensitive)

Comments can be added by Member only.