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FastGSMHow to Unlock Samsung Galaxy S3 i9300 & N7100 by USB [19a]

How to Unlock Samsung Galaxy S3 i9300 & N7100 by USB [19a]

This guide describes how to unlock the following phone models by USB. If your phone is not listed below, you are on the wrong page — click here to find your model.

This guide applies to: ET-GC100, GC100, GT-N5100, GT-N5105, GT-N7100, GT-N7100T, GT-N8000, GT-N8005, GT-N8020, GT-P3100, GT-P3100B, GT-P5100, GT-i9260, GT-i9300, GT-i9300T, Galaxy Camera, Galaxy Note 10.1, Galaxy Note 10.1 3G, Galaxy Note 10.1 4G, Galaxy Note 10.1 LTE, Galaxy Premier, Galaxy Tab 2 7.0, N5100, N5105, N7100, N7100T, N8000, N8005, N8020, P3100, P3100B, P5100, i9260, i9300, i9300T

How do I know if my phone is network locked?

  • Insert a SIM card from a different network and power on your phone.
  • If the phone is network locked, it will display one of the bellow messages
  • If your phone says different message do NOT purchase unlock service
  • SIM network unlock PIN
  • PIN de desbloqueo de red de tarjeta SIM
  • Netzentsperr-PIN für SIM
  • Code de déverrouillage réseau
  • PIN di sblocco rete SIM
  • PIN de desbloqueio da rede SIM
  • SIM 네트워크 잠금 해제 PIN
  • SIMネットワークのロック解除PIN
  • رمز PIN الخاص بإلغاء تأمين شبكة SIM
  • Enter Network Lock Control Key
  • Introducir clave de control de bloqueo de red
  • Entsperrcode für SIM-Sperre eingeben
  • Saisir la clé de contrôle du blocage du réseau
  • Immettere chiave di controllo di blocco rete
  • Introduzir código de controlo de bloqueio de rede
  • 네트워크 잠금키를 입력하세요
  • ネットワーク​ロック​コントロール​キーを​入力してください
  • أدخل مفتاح التحكم في قفل الشبكة

Locked Android-powered Phone

Locked Android-powered Phone

Service limitations

  • Android versions 4.2 and higher are unsupported
  • Android version 4.1.2 with Baseband ending MG1 or higher e.g. A1234XXMG3 are unsupported
  • To check your Android version and Baseband version to to Settings > About device
  • Above versions are unsupported by USB. You can still unlock them by IMEI!

What do I need to unlock my phone by USB?

Apart from the network locked Samsung phone, you will need:

  • USB cable
  • Internet
  • Windows 7 or 8 or 10

How do I purchase an unlocking service on FastGSM?

  • Go to the detail page for your phone on FastGSM.com
  • Select from available services
  • Click Buy Now and follow the instructions.
  • You will be asked to create an account or sign into your existing account.

Ready to unlock your phone?

  • Select your phone manufacturer and model bellow to see available services

Install the device driver

  • Close all applications
  • Disconnect phone from USB
  • Download and install the drivers
  • IMPORTANT: Install the drivers again even you already installed Samsung drivers before!

Enable USB debugging

Download and start FastGSM Samsung Client software

  • Download FastGSM Samsung Unlock Client software and save it to your Desktop or Downloads folder
  • Once download is completed, run the client software
  • Click Install. The software will start automatically
  • When prompted for your login and password, fill in your FastGSM account email and password
  • Select your phone model and press Next
  • You can find your phone model on the box or on the sticker under the battery (e.g. for SM-A123 or GT-A123 or SGH-A123 select A123 model)
  • Connect the phone to your computer using the USB cable
  • Wait until phone drivers are installed
  • Press the Next button in the FastGSM Samsung Client

Complete the unlocking process

  • When the Congratulation, your phone is unlocked! message appears, your phone is successfully unlocked
  • Disconnect your phone from USB

Disable USB debugging

Thank you for choosing FastGSM. If you need help, please contact us at info@fastgsm.com.