Live by infringemnt
Die by the infringement.
A UK court has rejected Apple's appeal against a ruling which found it infringed two patents on technology it uses in its world-dominating iPhones and iPads. London's Court of Appeal ruled against the consumer electronics and computing giant in a dispute over intellectual property, which began in 2019. Optis Cellular …
You don't appear to understand what standard essential patents are:
Various companies come up with ideas when trying to establish the next standard (in whatever field), and often patent the ideas.
The ones that grant (and typically survive challenges against them, as per this case), and that are relevant to the eventually agreed standard, are reviewed by that standard body and if considered to genuinely read onto the standard, are added to the standard-essential patent bucket.
These patents are treated differently to others - the patent *must* be licenced to people who use the standard, on FRAND terms (fair, reasonable and non-discriminatory). Typically there is a central licencing body for this purpose.
Apple did not play by this rule book, and have now lost.