Downloaded through Sony PC Companion, decrypted and repackaged by Flashtool.
Android version: 4.2.2
Kernel: 3.4.0-g74b701b-00054-gde56c65-dirty cme@dc7000-la12 #1 Mon Dec 23 20:51:21 CST 2013
Build number: 15.3.A.1.14
This works on ANY Xperia L (C2104).
Your Xperia L does NOT have to be rooted.
Your Xperia L does NOT have to be bootloader unlocked.
This does NOT re-lock a SIM unlocked phone (unlocking is ONCE and PERMANENT).
This does NOT unlock your bootloader.
Tutorial: how to flash stock ROMs with Flashtool
Tutorial ROOT: ROOT For New firmware 15.3.A.1.14
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