even i feel frustrated after seeing current BTC price
You don't need to overthink it. This cannot fix your problem but just give you more sadness. If you have no Bitcoin anymore, just forget to monitor Bitcoin price move. Forget it and you will be free from the sadness.
I couldn't do much to try to access it because all the data was stored on the cellphone,on the one hand I still have a copy (Prahse Secret Privatkey Recovery) but I'm missing the (Prahse Secret Privatkey Recovery) at paragraph 12
How can you keep private data on your cellphone? It was a very careless idea. Password, phrase, or private key should be kept in safe places. And you must have its copy in several places. So, when you lost 1 place, you still have another source to find your password, phrase, or private key. Regarding your case, I think it is clear that you have no way to recover it because you lost everything need to access your Bitcoin wallet.