succsseflly make it duel g935f u4 officially

no need covert room can make hard reset without lost
Welcome to Octoplus Box Samsung software version 2.7.9
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To connect SM-G935F phone you have to perform the following steps:
1. Disconnect USB cable from phone.
2. Go to Menu->Settings->More->About Device.
3. Tap on "Build number" 7 times to enable developer options.
4. Go to Menu->Settings->More->Developer options.
5. Turn on "USB Debugging" option.
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Platform: Samsung Android
Selected port: COM148
Selected model: SM-G935F
Operation: Write Cert
Selected file: C:\Users\hp\Desktop\SM-G935F_355612083453368_14-
4-2019_14-33-26.cert
Detected phone model: SM-G935F
Firmware compiled date: Wed Jan 30 12:31:08 KST 2019
PDA version: FA60_G935FXXU4ASA2
CSC version: unknown
SW version: G935FXXU4ASA1
Phone SN: RF8HC2HRFBX
Android version: 6.0.1 (MMB29K)
Sales code: unknown
Country: unknown
HW platform: exynos5
HW Chip: exynos8890
HW Modem: SHANNON335
Security patch level: 2016-01-01
Warranty Void: 0
SIM 1 status: absent
SIM 2 status: absent
Codename: hero2ltexx
Checking Root:
Phone is Rooted.
Reading security backup, please wait...
Backup saved as C:\Program Files (x86)\Octoplus\Octoplus_Samsung
\BACKUP\Security-SM-G935F-RF8HC2HRFBX-14-04-2019_14-52-
36-.asec file
Select Certificate2...
Selected file: C:\Users\hp\Desktop\SM-G935F_355612083453368_14-
4-2019_14-33-26.cert
Connecting to modem port...
Found phone on COM148
Reading data from phone...OK
Checking Certificate file...
Certificate is compatible!
Writing Certificate...
Certificate has been written successfully
Please, restart the phone to apply changes
Performed by 2.7.9.4 Software version.
Please, select firmware file first!
Selected BOOT file: C:\Users\hp\Desktop\Nueva carpeta
\BL_G935FXXS4ESCC_CL14843133_QB22583963_REV00
_user_low_ship.tar.md5
Selected AP file: C:\Users\hp\Desktop\Nueva carpeta
\AP_G935FXXS4ESCC_CL14843133_QB22583963_REV00
_user_low_ship_meta.tar.md5
Selected CP file: C:\Users\hp\Desktop\Nueva carpeta
\CP_G935FXXU4ESAE_CL987828_QB11799211_SIGNED.tar.m d5
Selected CSC file: C:\Users\hp\Desktop\Nueva carpeta
\CSC_OLB_G935FOLB4ESAH_CL14856954_QB21849760_REV00
_user_low_ship.tar.md5
Please put the phone into Download Mode and connect USB cable.
To put SM-G935F into Download Mode, You have to perform the
following steps:
1. Press and hold "Volume-" + "Home" + "Power ON" keys.
2. When phone turns on, press "Volume+" key.
Found phone on
Advanced mode!
Firmware write started.
Writing BOOTLOADER section...
BOOTLOADER section has been written successfully.
Writing PARAM section...
PARAM section has been written successfully.
Writing CM section...
CM section has been written successfully.
Writing BOOT section...
BOOT section has been written successfully.
Writing RECOVERY section...
RECOVERY section has been written successfully.
Writing SYSTEM section...
SYSTEM section has been written successfully.
Writing RADIO section...
RADIO section has been written successfully.
Writing CP_DEBUG section...
CP_DEBUG section has been written successfully.
Writing CACHE section...
CACHE section has been written successfully.
Writing HIDDEN section...
HIDDEN section has been written successfully.
Writing Firmware Failed
Performed by 2.7.9.4 Software version.
Please put the phone into Download Mode and connect USB cable.
To put SM-G935F into Download Mode, You have to perform the
following steps:
1. Press and hold "Volume-" + "Home" + "Power ON" keys.
2. When phone turns on, press "Volume+" key.
Found phone on
Reading PIT...
PIT was read successfully.
Performed by 2.7.9.4 Software version.