When I start playing, I will be redirected to the initial faction selection screen and I will not be able to access my existing account data.
@aCceEs please do not post personal information into any forum.
You will need to raise an in game ticket or visit support.ingress.com to raise a support ticket
Thanks for reaching out, @aCceEs! Please reach out to the dedicated team via this link: https://niantic.helpshift.com/hc/en/3-ingress/contact-us/?p=web&contact=1 One of our team members will take a closer look.