after rooting samsung s2 turn on just stuck on samsung logo and model

[ziaul haque]

i have problem with my samsung galaxy s2 19100 .agter i root it doesn't turn on ,iys stuck on samsung logo and with moder.after few seconds show android version log.
how can fix my problem
plz help me

 

[Slug]

What firmware is the device running? How did you root it? Have you tried booting into recovery and wiping the cache?