Contact Us
Customer Support
We’re here to help any way we can. Let get in touch!
Device or bank related enquiries
Please contact your bank or device manufacturer via telephone, web, or your bank’s mobile application.
For ONE OS account and app enquiries
Please email or call customer service at:
For ONE OS Debit Mastercard account support enquiries
Toll-Free Customer Service Number:
Device or bank related enquiries
Please contact your bank or device manufacturer via telephone, web, or your bank's mobile application.
For OneOS account and app enquiries
Please email our customer service at:
For wallet account (OneCard) enquiries
Toll-Free Customer Service Number:
International Customer Service Number:
