Account Maintenance and Security Lost Old Device with OTP Posted on October 19, 2020October 19, 2020 by admin For SECURITY REASONS, CONTACT US by sending an email to HELP@COEXSTAR.PH. Send us your inquiry through here. Full Name (required) Your Coexstar Email Address (required) Your Phone Number (required) Your Birthday (required) Subject Your Message You can upload up to 2 files only. Attach files (optional) Attach files (optional) admin Errors/Troubles in OTP Cash Reward