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399 TK is a trusted online betting platform in Bangladesh. Signing in is simple — just enter your email or mobile number and password to access your account within seconds. Once logged in, a world of cricket, football, casino games, and much more awaits you.

Two Ways to Log In

There are two ways to sign in to 399 TK. You can use your email or username along with your password, or log in with the mobile number you registered with. Use whichever method works best for you.

Forgot Your Password?

Click the "Forgot Password?" link on the login page. Enter your registered email or mobile number and you'll receive password reset instructions. The reset link typically arrives within 1–5 minutes. If you don't see it, check your spam folder or FAQ Page View.

If Your Account Gets Locked

Multiple failed login attempts may temporarily lock your account for security reasons. Wait a few minutes and try again, or contact us at support@399tk.biz. Our support team will get you back in quickly.

Tips for Keeping Your Login Secure

• Never enable "Remember Me" on a public computer
• Make it a habit to log out after every session
• Only log in through the official 399tk.biz website
• Never share your password with anyone — 399 TK will never ask for it
• Avoid logging in through suspicious links
• Enabling two-factor authentication adds an extra layer of security to your account

How to Log In on Mobile?

Open 399tk.biz in any smartphone browser and click the "Login" tab. Select the mobile number option, enter your number and password — and you're in. The site is fully optimized for mobile, so it works great on any screen size.

Where to Go If You Have Login Issues?

For any login issues, reach out to our FAQ Page — you'll find solutions to common issues there. If not, email us at support@399tk.biz. Our Bangla-speaking support team is available seven days a week, 24 hours a day.