Unlock Guide
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05 February 2018
Everything is fine. (I will advise this site to everyone)
Thank you for the fast service.
20 January 2018
Everything is fine. (I will advise this site to everyone)
Guys always very helpful, quick to response to any questions I had. Very reliable, fast with no delays. Haven’t seen more reliable service and without any doubts they are best. Thank you for your service, everything works great i been helped already with 3-4 different phone companies they never let me down. 
Tomek Koszela
05 January 2018
Everything is fine. (I will advise this site to everyone)
Realy fast realisation process. Everything works great. Thank You. 

Szybko i sprawnie. telefon działa jak należy. Dziękuję POLECAM
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What does it mean - "Next Tether Activation Policy: Blacklist"?

In this article, imei-server.com will tell you about where the iPhone comes from with the "Next Tether Activation Policy: Blacklist" blocking and whether it is possible to avoid buying a device in this status. And also consider what is Blacklist on the iPhone, what kinds of black list are there and whether it is possible to fix the situation. Now about all this in more detail.

What does "Next Tether Activation Policy: Blacklist" mean?

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What is an unlock from an operator?

In this article, we will briefly explain what an unlock from an operator is, and also consider the features of unlocking devices from different brands. In addition, imei-server.com will answer the most popular questions regarding unlocking:
  1. Is the unlocking done remotely, or should I send my phone?
  2. Is it difficult? Will I need special instructions for unlocking?
  3. How do I know in advance whether a phone can be unlocked?
  4. Is the unlocking temporary or permanent? What does it depend on?
  5. In what cases does the "unlock fly"?
  6. Is it possible to unlock devices that are on the blacklist of the operator (blacklist)?
  7. How does the unlock affect the operation of the phone? Will there be any restrictions?

Undoubtedly, who faced the lock on the phone for the first time, will certainly want to know who and why is blocking his phone, and most importantly - what to do with it and how to return the device to work. Our article will tell about this.

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How to remove iCloud account previous iPhone user?

If you have an iPhone or iPad on which there is an activation lock and you need to remove the Apple ID password, imei-server.com will tell you how to do this. This is a step-by-step instruction on how to remove iCloud from any clean phone sold in Russia with a 100% chance.

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A quick and easy way to unlock iPhone from the operator AT&T USA

If you have an iPhone in your hands, blocked by AT&T USA operator, imei-server.com will tell you how to solve this problem. But first, let's touch upon important moments about the unlocking features so that you know not only what you need to do to unlock the iPhone from AT&T operator, but also understand what is happening at each of the stages of the unlock.

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Is it possible to unlock the iPhone from the operator "US GCI Policy Applied"?

Blocking for operator US GCI is rare. GCI is an American company that provides communications services in Alaska and is focused on the introduction of various technological innovations in this state. In this article from imei-server.com we will briefly get acquainted with the basic data about this operator, and also we will consider the procedure of unlocking from US GCI Policy.

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How to unlock an iPhone with a lock: "Chimaera Device Policy"?

Quite often on our site imei-server.com write clients who have an iPhone, blocked by an unusual type of lock: Next Tether Activation Policy Description: Chimaera Device Policy. We decided to find out what such a lock means and whether there are ways to circumvent it.

According to our observations, the problem has existed for a long time, but the number of cases of inclusion of such a blockage began to rise from February 2017. Situations are quite different, but it can not be said that the buyer was "guilty himself" and bought such a phone inadvertently. To understand what we are dealing with, let's look at a few real examples.

Chimaera Device Policy

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"R-sim iPhone - no network" - why R-sim all around the world stopped working?

In this article, we will briefly introduce you to what is the unlocking with R-sim and how it differs from the official unlock (advantages and disadvantages of both methods), and also we will talk about the "global apocalypse" of  smart chips R-sim,  that happend on 15 October this year :)

But before we touch on the main issue of our article, for those who have not previously heard about the unlocking via R-sim, we will explain what mean this method. The essence of it is to buy a special chip (R-sim), which needs to be installed in the SIM card tray along with a SIM card that the phone did not accept, after which the phone should work successfully with this SIM card.

At first glance it sounds very tempting, especially considering that R-sim costs an average of 9-12 , and the price of the official unlocking can reach almost $ 200 for some operators. It would seem, why and for whom at this price this official unlock may be needed? But if you dig deeper, then the answer to this question will be obvious. Now we will explain everything step by step.

R-sim adapters all over the World were blocked by Apple 05.10.2017

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US Xenon Locked Policy - who is this carrier and how to unlock it?

Tracking trends in unlocking, as recently as the end of September, we found the phone with a new type of lock: US Xenon Locked Policy. The first attempts to find at least some additional information about this unknown carrier were in vain - neither the official site of Xenon, nor mention of it on the Apple website. But the greater the number of "lucky" owners with devices  with Xenon-lock, the more data about the mysterious carrier got into the network. And that's what we managed to find out.

Information about the unlocking from Xfinity Mobile: US Xenon Locked Policy

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Why unlock code for Samsung is not working?

Buying the Samsung unlock codes by IMEI, we least like to see the inscription on the screen - "not successful". But nevertheless, there are cases when the code does not work. Why this happens and what can be done in such a situation - our article will tell.

Buyers who are faced with the problem of non-working code, first of all ask themselves - can unlock codes be "wrong"?

We want to reassure you - the unlock codes are always correct.

You can apply for a code to the cellular operator, or order factory Samsung codes using different sites, but in the end you will be sure that all sources will provide you with the same information. This once again proves the fact that the correct code will be the same everywhere.

Based on these facts, we can determine the most common reasons why the Samsung unlock code is not working.

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How many codes do you need to unlock Samsung [NCK + MCK + RGCK]?

If in your hands was locked Samsung and you were happy to find that there are many services for ordering codes for such a phone, do not rush to make your order. To your attention an article on how to determine  which codes you need to unlock Samsung and how not to make a mistake when selecting a service.

1. Define the blocking type: NCK or RGCK
First of all, it is necessary to understand which blocking is involved:
NCK = SIM_Unlock = Network Lock = Network Unlock Code = SIM Network Unlock PIN - different designations for blocking from a specific operator. If you know exactly that the phone worked / works only with SIM cards of the same operator, then it will be enough for you to enter one NCK code and get an unlock.
RGCK = Region Unlock Code = EXTRA - different designations to show blocking to a specific country or region. Such a phone will accept SIM cards from any operators, but only in a specific country / region. Most often there are smart phones, on the box of which it says "European Sim card only" or "American Sim card only". To unlock this phone, you just need to enter only the RGCK code and get an unlock.
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