SPH-L720T unlock problem [Answered]

[6622622]

Welcome to Octoplus Box Samsung software version 2.6.4
-----------------------------------------------------------------------------------
Platform: Samsung Android
Selected port: COM3
Selected model: SPH-L720T
Please, press "OK" button on the phone to allow USB debugging.
Please, press "OK" button on the phone to allow USB debugging.
Detected phone model: SPH-L720T
Firmware compiled date: Tue Dec 20 23:16:21 KST 2016
PDA version: L720TVPSCPL1
CSC version: L720TSPTCPL1
SW version: L720TVPSCPL1
Phone SN: 00000000000
Android version: 5.0.1 (LRX22C)
Sales code: XAS
Country: USA
HW platform: msm8960
HW Chip: apq8064
HW Modem: MDM9615M
Security patch level: 2015-11-01
SIM 1 status: absent
Codename: jflterefreshspr
Checking Root:
Phone is Rooted.
Reading security backup, please wait...
Backup saved as C:\Program Files\Octoplus\Octoplus_Samsung
\BACKUP\Security-SPH-L720T-00000000000-05-02-2018_10-28-48 file
Installing service app...
Unlocking phone...
Finalizing...
Phone is successfully unlocked
To finish the operation, please restart the phone via phone's menu.
Performed by 2.6.4 Software version.


Many devise Unlock Opration Successfully Done But phone still locked

My Team Plz Expalin Me How Will Solved ?

[6622622]

Originally Posted by Octopus box

Hello.

Please repeat "Unlock"/"Domestic Unlock" operation, then try to do the next:
1. Dial *#0011# and in the service menu do the following.
2. Click "Menu" then "Key input" then input Q then press "Ok".
3. Click "Menu" then "Back".
4. Click "Menu" then "Key input" then input 0000 then click "Ok".

After these steps Hidden menu should open. In Hidden menu, depending on available options, try to do the following:

I.

Press UMTS
Press DEBUG SCREEN
Press PHONE CONTROL
Press NETWORK CONTROL
Set GCF to ON


II.

Press [2] UE SETTING & INFO
Press [1] SETTINGS
Press [4] GCF
Set [1] GSM/(E)GPRS/WCDMA GCF to ON


After these actions go to Settings -> Mobile Networks and Set Network Mode to Automatic, or GSM.

HERE is not avail these menu

I.

Press UMTS
Press DEBUG SCREEN
Press PHONE CONTROL
Press NETWORK CONTROL
Set GCF to ON

II.

Press [2] UE SETTING & INFO
Press [1] SETTINGS
Press [4] GCF
Set [1] GSM/(E)GPRS/WCDMA GCF to ON

[Octopus box]

Hello.

What is exactly written in phone's screen, when You insert SIM card? Invalid SIM or nothing?

[6622622]

invalid sim card...............

[Octopus box]

Try to re-flash the phone with another firmware version and repeat the "Unlock" operation again.

[6622622]

if u have some special version then send me please i have many file but same issue

[Octopus box]

You can try to flash modem for SPH-L720 (file "SPH-l720_MDC_Modem" You can download from the Support Area) at your own risk, after perform Unlock operation.

[6622622]

I have l720t not suitable flashing with l720 i do not take a risk i think stop working now thanks for reply sir