Requirements:
SO-02F_14.1.H.1.281_docomo.ftf
C6903 14.1.G.1.534 ftf
prerooted zip for Z1 Compact 14.2.A.1.114 (put it in internal storage)
rootkitXperiaZ1c
XZDualRecovery (Z1-lockeddualrecovery2.7.77-BETA.installer.zip)
1. Flash SO-02F_14.1.H.1.281_docomo.ftf
Wipe: Check all Exclude: Uncheck all
2. Boot and enable USB debugging and Unknown sources
3. Flash C6903 14.1.G.1.534 ftf
Wipe: Uncheck all Exclude: Check all but uncheck system and kernel
---Display shows nothing---
4. Boot and wait 5 minutes.
Display will be blank, but don't worry, you can see screen with DDMS if you want.
5. Run rootkitXperiaZ1c's install.bat.
This will root with CVE-2013-6282 and install recovery.
It will reboot automatically when completed.
6. Shutdown with volume up + power long press, then enter to flashmode
7. Flash Z1 Compact 14.2.A.1.114's kernel and rpm.sin
Wipe: Uncheck all Exclude: Uncheck all but check system
---Now display shows correctly---
8. Boot and press volume up to enter to CWM
cwm_prerooted_Z1.zip will automatically installed and reboot when completed.
Now Z1 Compact has rooted Z1 Compact system and C6903's kernel, we will flash Z1 Compact's kernel
9. Boot and install recovery using Z1-lockeddualrecovery2.7.77-BETA.installer.zip
If it bootloops, enter to CWM and wipe data/cache/dalvik-cache
10. Done!