Abdulwahab have you tried to import the recovery phrases into an electrum-dash wallet to check if your balance is fine?
That would help us understand the issue behind it.
This ^^ is valid for you as well Mansour.
I assume you both use iOS app right?
My 9,85 dash coins have been stolen your dash iOS wallet is not very safe.
Please try synchronizing again, if it does not solve the problem, please create a ticket and we will be gald to help.