1-Open Flashtools and click the distance as described
2-In the next window, click “Flashmode” and then “OK”
3-In the next window, select the rom and “OK”
4-see that in the next window will take a while, it is preparing the files ;
5-At an average of 10sec, a new window will appear,
6- As in the picture above calls, turn off your phone, press “back” (if it does not, press volume – less), be pressed and connect the USB cable.
7. Wait for the process to finish, until like the image below, remove the USB and turn on your smartphone !.

Branded 5.0.2:
D6603_23.1.A.1.28_T-Mob_UK_SuperSU_XZDR2.8.15 thanx to @schetz
D6603_23.1.A.1.28_o2DE_SuperSU_XZDR2.8.15 thanx to @DJ BlackEagle
D6603_23.2.A.0.278_TelekomDE_SuperSU_XZDR2.8.14 thanx to @mkbm

D6603_23.1.A.0.726_o2DE_SuperSU_XZDR2.8.12 thanx to @Space_pilot

D6633_23.1.1.E.0.1_HK_SuperSU_XZDR2.8.20 thanx to @alvinlim28
D6633_23.1.1.E.0.1_Customized_RU_SuperSU_XZDR2.8.1 0

D6653_23.2.A.1.62_Customized_HK-SuperSU_XZDR2.8.20.zip thanx to @jsonexe
D6653_23.1.A.1.28_Customized_AU_SuperSU_XZDR2.8.14 thanx to @Space_pilot
D6653_23.1.A.0.726_Customized_IN_SuperSU_XZDR2.8.1 0
D6653_23.1.A.0.726_Customized SG_SuperSU_XZDR thanx to @ljhsquall