Use the page below to do 2.3.5 Arabic. You have the option to use Arabic or English menus

http://avb.s-oman.net/showthread.php?t=1231506&s=d7649430f965c370db85f2b...

The firmware is here, in the instructions page the links are dead

http://www.hotfile.com/dl/147081816/911a2a6/I9100JPKJ2_I9100OJPKJ1_KSA.z...

Use regular download, wait 30 sec