You lost your coins mate,there is nothing support can do.Here is the part which explains that,Copy it and paste in your language from google translate .

If you do not have your Secret Mnemonic, we cannot help at all. We do not maintain access to your coins -- only you can access these once you remember your Secret PIN or Secret Mnemonic. You can always confirm your coins are in their respective addresses using any third-party Blockchain Explorer, including SoChain