Yes, there is the Hebrew CID53 firmware!!
Full flash it with this files:
K810_R8BA024_MAIN_GENERIC_SM_RED53
K810_R8BA024_FS_S_ASIA_LEVAN_RED53
HB1-06_Gen_CDA102568_5_R5A_GENERIC_S_ASIA_LEVAN

Use JDFlasher for flash it and dont forget to restore K800 Light Effect after.
USe Seftool4+Babe2raw to extract light effect file from k800 FS firmware file and use JDFlasher to upload in your phone.