Meanwhile wait 8 hours for the synchronization of my desktop wallet. Added every Add Node I could find. How can it be that a DEV doesn't even get on the chains to develop a decent wallet that works reasonably well?
Download the blockchain updated instead of wait it to sync:
https://phantomx.co/download/latest-blockchain.zip
Check the guides on website:
https://phantomx.co/guide/how-to-update-blockchain-windows
https://phantomx.co/guide/how-to-update-blockchain-linux
Could you send me your addnode list? Which ones did you insert in the config file?