Unlocking Samsung U640 Convoy

For unlock Samsung U640 Convoy following options are available. If you don't know which option use for unlock your phone, please contact us. We will help you choose the right product for your phone.

Select your network


UNLOCK Samsung U640 Convoy

 

Unlocking instruction for Samsung U640 Convoy ?

How to enter a network unlock code in a Samsung U640 Convoy

Entering the unlock code in a Samsung U640 Convoy is very simple.
1. Start the Samsung U640 Convoy with an unaccepted simcard (unaccepted means different than the one in which the device works)
2. Special unock window should appear
- For message Sim network unlock pin you should enter the codes if the following order, Unfreeze confirm, NCK confirm (please try a couple of times if the U640 Convoy does not accept it for the first time)
There is also a special RGCK (regional lock code) code sometimes provided. Please use the RGCK code the same way as the NCK code.
- If Service provider pin appears enter the codes in this order
Unfreeze confirm, SPCK confirm (try a couple of times)
3. Samsung U640 Convoy is now network unlocked !!!

* sometimes the unfreeze code is not provided by the network (check the description of chosen service)

In order to unlock Samsung U640 Convoy network blockade, you need a NCK (network) code. If the code counter is blocked, you will need MCK (unfreeze) code as well to reset the code counter.
If Samsung U640 Convoy has a blockade for a subnetwork like Tesco or Virgin you need to use a SPCK (service provider) code.
Most devices bought on a contract from a network provider are network blocked.
It means that the Samsung U640 Convoy can only receive signal from one network. If you insert a simcard from a different network, the device will ask for an unlock code, or will show the message that this simcard doesn't work.
Networks that can be unlocked include: AT&T USA, Orange, EE and many more.
If you want to remove a network blokade from Samsung U640 Convoy, please use this link:
Samsung network unlock.
If a message ( sim network unlock pin ) appears on the LCD of your Samsung U640 Convoy, it means that the device is blocked. You cannot use any other network, until you enter the correct unlock code. Every network has a different price and unlocking time, but all of them can be unlocked. Use the link below to check your device Unlock networks for Samsung U640 Convoy
There are different types of unlock codes for your Samsung U640 Convoy. One of them is called unfreeze code, which is used to reset the code counter in your device. Samsung U640 Convoy usually have 3 TRIES to enter the unlock code. The biggest problem is that the phone doesn't show the code counter and there is no way to check. If you want to unlock a Samsung U640 Convoy with a blocked code counter, you need the unfreeze code. The code can also be used to remove a regional blokade if you want to travel to different countries.