g935s convert to g935fd ?

how to convert g935s to g935fd ?

i get one. here is info:

Gathering phone info...
Collecting information. Be patient! Do NOT disconnect the phone!
Model: SM-G935FD
Sales Code: XSG
Country Code: UAE
Timezone: Asia/Karachi
Android Version: 7.0 [NRD90M]
Build Date: Mon Jul 3 08:11:22 KST 2017
PDA Version: G935FDXXU1DQG1 [july 2017, rev1]
Phone Version: G935SKSU1DQJ1 [october 2017, rev1]
CSC Version: G935FOXE1DQG1 [july 2017, rev1]
Board Platform: EXYNOS5
Modem Platform: SHANNON335
Serial Number: R39H90HED4
Imei:
Battery Status: 4.04V (77%)
Network Type: GSM
SIM Status: READY,READY
Multisim Config: DSDS
Knox Version: v30
Warranty Bit: 1
Security Patch: 2017-07-01
Data Encryption State: unsupported