Samsung SM-S550TL still unvalid sim
 

UNLOCK INSTRUCTIONS:
1. Power on the phone.
2. Connect the phone to PC with USB cable.
3. Check Samsung modem in device manager, install drivers if needed.
4. Press 'Unlock' button for direct unlock or 'Read codes' to read security codes.

To reset Google account activation or Samsung reactivation lock:
1. ADB must be activated in any way (you can flash sBoot from combination firmware,
make sure, that you are not upgrade sBoot).
2. Connect phone to PC with USB cable, install drivers if needed.
3. Select device in ADB settings.
4. Press 'Reset FRP/React/EE' to deactivate Google/Samsung/EE account activation lock.
(Sometimes needs to perform 'wipe data/factory reset' once more, to complete this locks removal.)

Operation: Unlock
Selected model: SM-G550FY
Software version: 27.1

Searching Samsung modem... detected COM12
Reading phone info... ok
Model: SM-S550TL
AP version: S550TLUDU1APG1
CSC version: S550TLTFN1APG1
CP version: S550TLUDU1APG1
Product code: XXXXXXXXXXXTFN
Phone SN: RV8H90LAFPH
Unique number: CQN0016BC9B0C73
Reading IMEI... ok
IMEI: 35XXXXXXXXXXXX1 (SIGN: OK)
Reading data from phone... ok
Unlocking... ok
Rebooting phone... ok
Unlock done

Done with Samsung Tool PRO v.27.1

Hey, did you get the SM-S550TL Unlocked or Rooted

Let me know if you have Firmware for S550TL

Any update??
 

What about this model S550TL from Simple Mobile??

HOW CAN I UNLOCK THE Samsung Galaxy On5 LTE SM-S550TL?
WILL THERE BE SOMETHING REMOTE BY USB
THAT I CAN UNLOCK URGENT WITHOUT BOX?

S550TL, does not ask unlock Code, Cannot Root.
Anyone has solution, Kindly Share

You may try to use the same method as the Tracfone S6 & Note 5 Unlock (Yes Domestic Unlock, well international as well), I fortunately got a few of these in my hands today, will advise results...

Guys any solution for this yet ?

Hello, is there any way to root this phone.
Or to unlock it??

i have same problem how to solution

Any news with ths phone???

anyone to have solved this problem with s550tl ?

Is there any solution yet to root S550TL ??!?! I NEED TO UNLOCK!@#!@!

dear @blang please help us out here

no solution for this phone yet.

Hello blang, we have rooted phones to work with.

If you need or have any solution in hands, let us know