Method 1: Properly Enable OTP in Purple First
This is the most important fix and the one many people skip.
Before Aion 2 Taiwan allows device authorization, NCSoft expects your Purple account to already have One-Time Passcode (OTP) protection enabled. If OTP is not active, the launcher may silently reject SMS verification attempts or fail to send codes entirely.
Steps
Open the Purple launcher and click your profile icon.
Select Manage Account.
Go to Security Service.
Find Use One-Time Passcode and activate it.
Install an authenticator app on your phone:
Google Authenticator
Microsoft Authenticator
Authy
Scan the QR code shown in Purple.
Enter the temporary verification code from your authenticator app.
Make sure the security status changes to green or displays something similar to “In Use”.
Once OTP is fully active, launch Aion 2 Taiwan again and retry the phone verification process using your real mobile number.
For many players, this alone fixes the endless verification loop.
Method 2: Enter Your Phone Number in the Correct Format
Sometimes the SMS system itself works, but the launcher formats your number incorrectly.
A common mistake is manually typing the country code into the phone field. NCSoft’s verification system often rejects numbers formatted this way.
What to Do
Restart the Purple launcher completely.
On the verification page, choose your country from the dropdown menu first.
After selecting the country code, type only your local phone number.
Do not manually add:
+
country prefix
spaces
dashes
For example:
Correct:
Select United States (+1)
Enter: 5551234567
Incorrect:
+1 5551234567
0015551234567
If the code still does not arrive:
Wait a few minutes
Press “Resend Code”
Try “Verify by Call” if available
Retry during off-peak hours
NCSoft’s Taiwan SMS gateways are known to become overloaded after major updates and launch periods, especially for international regions.
Method 3: Use a Temporary Hong Kong Virtual Number
If your real number is fully blocked, this is currently the most reliable workaround players use.
Many overseas regions appear to be partially restricted by Taiwan server security filters. Hong Kong numbers tend to pass verification far more consistently.
How the Workaround Works
You temporarily verify your account using a Hong Kong virtual number, authorize your device, then later replace the temporary number with your real one.
Steps
Download a temporary SMS service app or use a browser-based provider.
Search for an NCSoft-compatible Hong Kong number.
Rent a temporary +852 number.
Launch Aion 2 Taiwan and reach the verification screen.
Select Hong Kong (+852).
Enter the rented number.
Wait for the SMS verification code.
Enter the code and authorize your device.
Once your PC is trusted and you can enter the game:
Open the account security settings again.
Follow the browser security management page.
Replace the temporary Hong Kong number with your real mobile number.
Most temporary SMS providers only keep the number active for a short window, so finish the process quickly.
This workaround is especially useful for:
US numbers
Canadian numbers
European carriers
VOIP numbers
Google Voice numbers
Method 4: Change Your Account Login Type
Some players discovered the issue comes from how the account itself is configured.
Accounts using email-only login occasionally fail to trigger the mobile verification flow correctly inside Purple.
Switching the account to phone-based login can force NCSoft’s security system to initialize properly.
Steps
Open the official NCSoft account management page in your browser.
Go to your account settings.
Find:
Login Method
Manage Login
Security Settings
Change the account from:
Email Login
to
Phone Login
Complete the website verification prompts.
Fully log out of Purple.
Restart the launcher.
Log back in using your phone number instead of your email.
After doing this, many players report the in-game verification window finally appears correctly.
Additional Tips That Help
Avoid VPN Region Switching During Verification
Some players keep changing VPN regions while requesting SMS codes. This can trigger temporary security locks.
Try to:
Pick one stable Taiwan-compatible region
Keep the same IP during verification
Avoid reconnecting repeatedly
Don’t Use VOIP Numbers Initially
Services like:
Google Voice
TextNow
Skype Number
often fail because NCSoft filters many virtual carrier databases.
Real SIM cards work better.
Browser Verification Often Works Better Than In-Game Verification
If the in-game popup keeps failing, try completing the security steps through the browser account portal instead.
The website version is generally more stable than the embedded launcher window.
The Aion 2 Taiwan verification system is honestly more frustrating than it needs to be, especially for international players. Most of the errors are not actually caused by your phone number itself, but by NCSoft’s layered security checks inside Purple.
The key fix is enabling OTP before attempting device authorization. After that, proper phone formatting and account configuration solve most remaining problems.
If your region is still blocked, the Hong Kong temporary number workaround remains the most consistent fallback method currently used by the community.
Once your device is finally authorized, the verification prompts usually stop appearing unless you reinstall Windows, change hardware, or log in from a new location.