SM-G550T Galaxy On5 Unlock and Root

This Samsung SM-G550T Galaxy On5 is lock on T-Mobile USA network SIM was arrive

on my repair shop with a problem on Invalid Sim, It means the phone is lock on

country that it came from.
Costumer want to use the carrier Sim here from Philippines he want to

Unlock Sim Carrier or we known it say's "Openline"

This model have "device unlock" apps and he tried already but permanent unlock failed.

How I Unlock this Samsung model SM-G550T (Galaxy On5)? Continue read below

and may i help as referrence what i do as short story steps ^_^

• I Prepare my Paid Tool OCTOPUS BOX activated and update to version

Samsung Tab to Version 2.4.8

• From phone, go to Settings -> About device. Tap 7 times on Build number to enable Developer options.
• In Settings -> Developer options. (above About device)You need to enable OEM unlock, 
• Logout all accounts and Make sure don't have Factory Reset Protection enabled in Google account.
• Download at this Link ODIN TOOLS version 3.12 

and read the step by step what the tools about

• Download Samsung usb driver at this Link
  If you have driver already ignore this part
• Download  two files below to manually Root your Galaxy On5, Thanks to Team win for that files.

DOWNLOAD ROOT FILES

• After download extract anywhere you want the "root files for g550t.rar"

and you see the two files name BETA-SuperSU-v2.74-2-20160519174328.zip 

and twrp-3.0.2-0-on5ltetmo.img.tar

• Place or copy the BETA-SuperSU-v2.74-2-20160519174328.zip

to internal or sd card of your Galaxy On5

• Open Odin tool and browse the twrp-3.0.2-0-on5ltetmo.img.tar file in the AP slot
• Under Options tab disable Auto Reboot, then press Start button

Figure 1 : Successful flash the twrp-3.0.2-0-on5ltetmo.img.tar

After flash is complete like in figure1 above

you can pull the battery out then place the battery back in.

Now hold Volume Up + Home + [Power buttons of your Galaxy On5

until you reach recovery mode.

• In recovery screen of device, you will see the screen asking you if you want to allow system modifications.

You will want to swipe to allow, otherwise the OS will replace TWRP once you boot!

If you want to be rooted with SuperSU apps you need select update using TWRP by browse select

the BETA-SuperSU-v2.74-2-20160519174328.zip you copy earlier into internal or sd card

See figure below successful update using TWRP

Figure 2 : flashing SuperSU using TWRP

• Then after successful flash the SuperSU Go to Reboot -> System

After all this was successful, your Galaxy On5 now is ROOTED

Proceed now to unlocking sim network using Octopus tool

• Open the Octopus Samsung Tab to Version 2.4.8
• Connect your Rooted Galaxy On5 with usb debugging enabled to PC port
• Select model SM-G550T on Octopus Samsung model Tab
• Press read info then Unlock button
• Follow the tools prompt then wait to be unlock is finish

See the figure screenshot of Octopus tool unlocking success

Figure 3: phone not rooted unlocking is failed

Figure 4 : phone is after Rooted , unlocking is success

And the victory cheers" Phone is UNLOCK and ROOTED

For backup virgin security you can contact me

Thanks for viewing ..... happy unlocking