[Q] No wifi access after install [MIUIV5] Winter V2.8.2-VN for all LTE2 [10/01/14] topic

i have LG F160S and a insttalled [MIUIV5] Winter V2.8.2-VN for all LTE2 [10/01/14] in it.
after installing when i connect to any secured wifi it said security key but after availing key not conected and also every time i restart the phone the time is in factory mode.
please help me or suggest me alternative MIUI Rom