Is Your Samsung I777 works only with one sim card ?
This is mean that Your Samsung I777 is locked (simlock) and can be use only with sim card from network You bought it.

If You like to use Your I777 with other sim cards (if Your phone uses Vodafone and You wish to use Orange) You need to unlock it.

Sim-unlock.net is specialising in fast and easy phone unlocking. We are using the latest unlocking technology, that's why the unlocking with us save time and problems.
You don't need any special skills or knowledge to unlock Your I777 .

So Your I777 work only in one network ?

Unlock Samsung I777 allow You to use Your Samsung with all sim cards.

Unlock is easy and fast, only 21 minutes to get Your I777 unlocked.

Sim-unlock get codes for Samsung I777 directly from Samsung servers.

If You are using Your Samsung I777 with sim card from At&t, rogers, t-mobile, bell, orange, tellus or any other You can unlock it with us.

To order an unlock code for Samsung I777 You need to :

1. go to sim-unlock.net and choose Your Samsung model or go directly to unlock by code Samsung I777
2. press "Unlock Samsung I777"
3. Choose unlock product for Your Samsung ( in some cases only one product is available )
4. Enter your Samsung IMEI number and if needed other required information.
5. press "order code"
6. at shopping cart fill all needed information like name, e-mail and others
7. Pay for an unlock code
8. after average time (check how much it takes for chosen product) You will receive all codes and unlock guide to Your Samsung I777 .

To enter unlocking code to Your Samsung I777 You need to do :

Unlock code to Samsung I777 You can enter in 2 different ways:

1. Insert foreign (Unaccepted) Sim card

2. I777 should ask for Network unlock code

3. Enter NCK/Network code

Samsung I777 is now unlocked

If your Samsung does not ask for the unlock code:

1. Turn on the phone with a foreign (Unaccepted) Sim card

2. Then enter the following sequence:

Your phone will never locked again.
Unlocking also allow You to increase value of your Samsung I777 because it can be used with all network cards.
We need Your Samsung I777 IMEI number to unlock it.
What You can do if Your Samsung I777 work only with one sim card ? You can unlock it using sim-unlock.net

Why unlock Samsung I777 and why choose sim-unlock.net ?
- opportunity to buy a foreign SIM card in another country to avoid roaming charges
- can be used each sim card from all world
- we Guarantees fastest time and lowest prices
- there is no risk of damage Your Samsung I777 by unlocking it.
- waiting time for the code was reduced to a minimum by an automated system on our website
- cutting down on the cost of calls and text messages

See More: Guide for unlock Samsung I777 to use all sim card Samsung unlock