A welcome bonus at mobile casinos in Syria is a bonus that players receive when they register with a mobile casino. The offer typically matches the deposit made by the player, up to a set limit. For example, if the player deposits $100 in their casino account, they will get a bonus of $100 in return. The welcome bonus in Syria usually carries a wagering requirement, which means that it must be wagered a certain number of times before the bonus funds can be withdrawn by the player.