How To Install ROM:
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For Unlocked Bootloaders: Flash one of the Recomnend Kernels; Adv. Stock Kernel or KTG Anzu
Place ROM on SD-Card
Back up user apps and data. (Various apps available, search Google Play. This is a popular one.
Power off phone.
Boot to CWM (Keep pressing the Volume Down key after the Sony logo appears)
Wipe Data/Factory Reset
Mounts and Storage --> Format /System
Wipe Cache Partition
Advanced > Wipe Dalvik Cache
Advanced > Wipe Battery Stats
Install zip from SD card > Choose Xperia Ultimate HD
Follow on screen instructions on AROMA.
After Complete Installation Press "Done" and Reboot.
Prima di riavviare, flash il modulo wifi del kernel attraverso "Install zip from SD card >"
Give the phone a good full charge, and enjoy your brand new phone!