Is there any tested and safe way to reflash it with a custom ROM (suggestions?). The chance of bricking a new phone doesn't look that appealing. ps: Sadly, the

Is there any tested and safe way to reflash it with a custom ROM (suggestions?). The chance of bricking a new phone doesn't look that appealing. ps: Sadly, the Pinephone is permanently out of stock, otherwise I wouldn't even consider anything else.