Does the subscription link change after payment?
Usually no. Access time and parameters change inside the subscription URL response.
Subscription URL
How to refresh a VLESS subscription in a VPN client
Subscription refresh loads current server parameters: SNI, shortId, access time and backup profiles. It is the first step when VPN suddenly stops working.
Why refresh subscription
the client receives fresh connection parameters
access time syncs after payment
backup profiles are added without manual setup
lower risk of using an outdated key
General steps
1
Open subscriptions in V2RayTun, Happ or v2rayN.
2
Find the WersidePN profile.
3
Tap update subscription or refresh subscription.
4
Select the refreshed profile and reconnect.
Common questions
What if refresh fails?
Check internet access without VPN, copy the link again and make sure the token is not truncated.