If you need to unlock a Samsung SM-G870A from home, you should call the network provider who has sold you the device, it is the only way to acquire the unlock code (network PIN) completely for free, you must end the contract and you must be the device owner. When you have not obtained the unlock code because you do not fulfill the carrier requirements, you can prompt the unlocking on our website.
The easiest way to unlock a SM-G870A is to get the official unlock code thanks to our Samsung servers, when we introduce SIM cards from other carriers, the mobile phone prompts the SIM network unlock PIN, so you must order it on our website and you will receive perfectly explained unlock instructions in record time.
It should be noted that to unlock a Samsung device, sometimes, the unfreeze MCK code is required (if the attempts are exhausted, so the mobile phone will show - SIM network PIN blocked. Enter SIM network PUK - ) or could be necessary the regional code RGCK (if you are going to use the mobile in another continent or region), in our company we also provide these unlock codes.
Certainly not, our unlocks are official and forever, you can update Android without any problem.
The unlocks that we offer allow you to use all the SIM cards such as Optus, Vodafone from Australia and all over the world.
Most likely, the device has been reported for non-payment, loss or theft and the IMEI has been blacklisted. Our unlocking does not remove reports and you would have to contact the network provider.
Some AT&T, Cricket, metroPCS and T-Mobile mobile phones in the USA do not require an unlock code, they are locked with an app pre-installed in the device called Device Unlock, this app is already installed on the mobile phone. Once your order the unlocking, our server authorizes it, simply running the application and pressing the Permanent Unlock button.
The most common is that the Samsung from Sprint, Verizon, Tracfone, Boost Mobile, StraightTalk or Simple Mobile from USA do not prompt the network unlock PIN, these cells has a blocked firmware from the service provider. Our company knows this situation and can unlock these phones without any problem. But the unlock is by software, you need to connect your phone to the PC, even though the unlock program is simple, we will also provide help remotely with one of our technicians.
1. - Turn on the handset on with a SIM card not accepted by the device (your new network operator)
2. - If the card has a PIN number, enter it and press OK.
3. - The device will prompt: “Network lock”, Now enter the code and press OK.
4. - Your phone will indicate: "The operation was successful", becoming permanently unlocked.
Unfreeze code: If the code in step 3 does not work, type the secondary code and press Unlock, the phone will indicate Unlock fail, now dial the code again from step 3.
Device Unlock app method:
1. - Make sure you have an active data connection via mobile data or Wi-Fi.
2.- From the Application list, tap Device Unlock, the application is pre installed in your device.
3.- Choose the Permanent Unlock.
4.- Restart the device.
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"Muy bueno y confiable y lo mejor rápido, es el mejor sitio para liberar ,desbloquear teléfonos móviles "