Root help to prevent danger of brick!!!

[ashudb70]

hey.. guys. please help me I hav first rooted with z4root and then with cwm partitioned memeory card.. and after that I installed link2sd. and linked many applications to sd. with help of link2sd.. after all this I simply un rooted my phone with same z4root.. hey.. now phone has been unrooted but still applications linked to sd card that is installed applications on partition memory still can ve accessed. means I can use the apllication installed on partition memory.. thoug my phone is unrooted... hey pls tell me is this safe..??? is their any chance of getting bricked??