Firstly a massive thanks to RyokoN and [NUT] - much more of this is their work than mine.
The end result is unbranded UK firmware (no docomo/jp apps etc.) 14.2.A.1.114 with SuperSU and NUT's Dual Recovery. The bootloader of course remains locked.
Downloads:
http://dl.weeaboo.com/Z1Compact/C6903_14.1.G.534_ianford10_UK Unbranded.ftf
http://dl.weeaboo.com/Z1Compact/D5503_14.2.A.1.114_Generic UK.ftf
http://dl.weeaboo.com/Z1Compact/SO-02F_14.1.H.1.281_docomo.ftf
http://dl.weeaboo.com/Z1Compact/z1c-43-uk.system.flashable.zip
SuperSU flashable zip from http://download.chainfire.eu/supersu
LATEST Z1C-lockeddualrecovery flashable and installer .zip from http://nut.xperia-files.com/ (thanks to [NUT])
FlashTool: http://www.flashtool.net/index.php
Process:
The end result is unbranded UK firmware (no docomo/jp apps etc.) 14.2.A.1.114 with SuperSU and NUT's Dual Recovery. The bootloader of course remains locked.
Downloads:
http://dl.weeaboo.com/Z1Compact/C6903_14.1.G.534_ianford10_UK Unbranded.ftf
http://dl.weeaboo.com/Z1Compact/D5503_14.2.A.1.114_Generic UK.ftf
http://dl.weeaboo.com/Z1Compact/SO-02F_14.1.H.1.281_docomo.ftf
http://dl.weeaboo.com/Z1Compact/z1c-43-uk.system.flashable.zip
SuperSU flashable zip from http://download.chainfire.eu/supersu
LATEST Z1C-lockeddualrecovery flashable and installer .zip from http://nut.xperia-files.com/ (thanks to [NUT])
FlashTool: http://www.flashtool.net/index.php
Process:
- Copy UPDATE-SuperSU-v1.(...).zip, z1c-43-uk.system.flashable.zip and Z1C-lockeddualrecovery(...)flashable.zip to your external SD card.
- Take a full backup, as all phone memory INCLUDING INTERNAL SD will be wiped.
- Flash SO-02F_14.1.H.1.281_docomo.ftf (WIPE: select all, EXCLUDE: select none)
- Boot and enable USB debugging and installation of apps from unknown sources
- Flash C6903_14.1.G.534_ianford10_UK Unbranded.ftf (WIPE: select none, EXCLUDE: select all except system and kernel)
- Turn phone on (display will be blank)
- Run Z1C-lockeddualrecovery(...)installer.zip's install.bat, selecting option 3 (Installation on unrooted ROM).
- Turn phone off using the power + vol up combination.
- Flash D5503_14.2.A.1.114_Generic UK.ftf (WIPE: select none, EXCLUDE: select system only)
- Boot to philz recovery by turning phone on normally then pressing vol up after the vibrate + green LED
- Factory reset and clear for rom installation
- Flash in this order without rebooting between each:
- z1c-43-uk.system.flashable.zip
- Z1C-lockeddualrecovery(...)flashable.zip
- UPDATE-SuperSU-v1.(...).zip.
- You're done
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