this method worked xperia ultra T2 (dual sim) for D5322 kitkat 19.1.C.0.116 4.4.2 kernel 3.4.0+ for the file named "T2U-lockeddualrecovery2.7.154-BETA.flashable.zip", then my device is routed.
installed after installation "-UPDATE-SuperSU v1.99r5.zip" file.
soon after worked for me!!
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