You can log in via 
1. Shell Asia application 
- Install the Shell Asia application from Play Store or Apple Store. 
- Open the Shell Asia app and select "Sign In".
- Enter your phone number to log in and press “Generate OTP”. 
- Enter the OTP received via SMS and press confirm to access.

2. Log in via Shell GO+ LINE OA 
- Add Shell Line official as a friend in the LINE application (typing @shell in the friend search bar). 
- Select the menu "เข้าสู่ระบบ/สมัครสมาชิกเชลล์ โกพลัส". 
- Select the menu "สมัคร/เข้าสู่ระบบ".
- Enter your phone number and press "Generate OTP". 
- Enter the OTP received and confirm.