@Support Dasaita Google Fi does indeed rely on T-mobile for service. I do not have other SIMS I could test with but now I do have a regular voice/data Google Fi SIM and a Data only SIM, but I have only tried the Data only one.
@Charles Bikle
Hello.
Thanks for your message.
For better technical support, please email us with details of your issue.
✅ Important: Add your **Order Number in the email subject**.
We will pass your ticket to senior engineers for further advice.
Email: support@dasaita.com
Try this:
Open Settings on your Dasaita.
Go to Mobile Network.
Select Access Point Names (APN).
Check the first digits of your SIM number (ICCID):
893204 → APN: america.bics
898520 → APN: mobile
891030 → APN: altanwifi