This post is for educational purposes only.

For this tutorial, you will be able to openline your ZLT S10g 2.03.3 modem for free. Doing this, you will be able to access your modem's Bands Locking page, Cell Locking and a lot more admin settings. You will also be able to insert any sim card inside your modem after doing this simple tutorial all for free.


How to openline ZLT S10g 2.03.3 free


👉 Open your Chrome/Firefox, go to 192.168.254.254 and login. Username is user. Password is @l03e1t3.

👉 Inside, press Quick Settings to continue.

👉 Inside Quick Settings, press NEXT twice until you are in the same page as below. See the URL, it is set to 192.168.254.254/index.html?t=#quick_setting. Erase quick_setting and change it to backup_data. And then press Enter or Go.

👉 Inside Backup Data, press Export then click Download to download the BIN file of your modem. We will edit this file using Notepad++. Download and install Notepad++ here.

👉 After downloading, we need to open the BIN file using 7zip. Download and install first 7zip here.

👉 Now, find the BIN file that you downloaded. Right-click S10Gexport_sys_config.bin > 7zip > Open archive.

👉 Double-click S10Gexport_sys_config.
👉 Double-click mnt.
👉 Double-click userdata.
👉 Double-click tz_upgrade_file_path.
👉 Now, drag and drop tz_nvshow file outside the S10Gexport_sys_config.bin folder.

👉 Right-click tz_nvshow and click Edit with Notepad++.

👉 Inside Notepad++ press CTRL F (for find), and type tz_web_page_hide= and press Find. Remove all the values after equal sign.

👉 Inside Notepad++ press CTRL F (for find), and type tz_web_user_hide= and press Find. Remove all the values after equal sign.

👉 Go to File > then click Save.

👉 Now, drag back the tz_nvshow inside the S10Gexport_sys_config.bin folder. In the Confirm File Copy, just press Yes to proceed.
👉 Close 7zip and a message will appear. Just press OK to save your update.

👉 Back inside Backup Data, press Browse and find the S10Gexport_sys_config.bin file that you just modified.

👉 When done, just press Update button. Just wait for it to finish by itself. You will be automatically logout.

👉 After the modem restarts, login again as user. Go to Device Settings > Advance Settings. You will see there not only DHCP but more admin settings which is not there before. You can now change band just press the Bands Locking. You can also make your ZLT S10g 2.03.3 modem openline by clicking MNC MCC Locking.

👉 Inside MCC|MNC Locking page do the following:
Enable MCC|MNC Locking: Disabled
In the PLMN: type the code of network (see list below) that you want to unlock and press Add.

MCCMNC codes
☑ Smart: 51503
☑ Sun: 51505
☑ Globe: 51501 or 51502
☑ Gomo: 47002
☑ Dito: 51566

When done, press the Apply button to save your settings.

If you cannot see the MNC MNC Locking inside the Advance Settings, then you need to access it the same way as accessing backup data in the steps you made earlier.

👉 Go back to Quick Settings and press the NEXT button 2 times. Change quick_setting to mcc_mnc_locking and press ENTER or Go.

👉 Inside MCC|MNC Locking page do the following:
Enable MCC|MNC Locking: Disabled
In the PLMN: type the code of network (see list below) that you want to unlock and press Add.

MCCMNC codes
☑ Smart: 51503
☑ Sun: 51505
☑ Globe: 51501 or 51502
☑ Gomo: 47002
☑ Dito: 51566

When done, press the Apply button to save your settings.

👉 Done!

Important Notes:
✅ Do not Reset Factory Settings your modem otherwise, all the settings will be back to normal.
✅ Incase that you really need to reset factory settings your modem because you forgot your WIFI password or something else, then, you just need to repeat all the steps above to openline your modem again and to access important admin settings.