Please, i need a Kernel.elf, kernel.sin or boot.img for Sony Xperia E1 D2005!!! topic

Hello, i'm new at this forum, i flashed my android 4.4.2 kitkat, i have a Sony Xperia E1 D2005 20.1.A.2.13, i flashed to 20.1.A.0.47 and rooted with towelroot, and have a SuperSU, i need a" kernel.sin,kernel .elf or boot.img of this version" for a fastboot mode with a flashtool, and now have a recovery, please help me, i need a valid kernel or boot.img, when i flash every kernel or boot with fastboot mode says
writing "boot"
FAILED(remote: command not allowed)
I'm spanish, and i don't speak english very well!!
Please help me i need a recovery for 20.1.A.0.47 or 20.1.A.2.13!!!
Thanks!! :))