You're looking for information on updating the Deezer ARL (Authorization Refresh Link) token for high-quality streaming.
When you successfully use an updated, valid HiFi-tier ARL token, you unlock the following technical specifications: deezer arl token upd high quality
Here's an example using curl :
Obtain a fresh, valid arl token from Deezer with maximum reliability and security. You're looking for information on updating the Deezer