xt910 Israel phone white led

hello guys i will tell you How did I get this situation
i had 4.2.2 982.124.14.xt910.vodafone.en.eu skypder or 4.1.2 982.124.14.xt910.vodafone.en.eu skypder tell me if i am worng
and the phone was so laggy that i said to my self i am going to install slimkat 4.4.4 and i did a root by kingroot and installed safestrap last version i think after i rebooted to the recovery it's said kernal error or not support and i did a backup (nandroid backup) and when i try to flash slimkat 4.4.4 he gave me an error about partition it dident worked so i used my backup
and now the phone not continued after the m logo so what can i do


now i have white led when i am connting my phone to my pc and when i am trying to charge with my wall charge with srock cable it's stuck on m logo and after i am disconnecting the phone from the wall charge it's like shutdown
what can i do can i try to flash another version of 4.1.2?

did my phone is bricked?
thank you for your help guys
oh and sorry for my bad english @sd_shadow dude can you help me please :)