How To Unlock Samsung S5500 Eco

The Samsung S5500 Eco Unlocked works on all SIM based phone networks. Unlocking a Samsung S5500 Eco requires an unlock code and only a few minutes of your time. Paying for a pre-unlocked Samsung S5500 Eco can be expensive but the free instructions provided in this article show you how to unlock your Samsung S5500 Eco with little or no cost!

First you will need an unlock code for your Samsung S5500 Eco as stated above. You can sometimes get a free Samsung unlock code by calling up your phone carrier and requesting one. Many people have luck doing this with T-Mobile and AT&T, but it is not guaranteed to work. In exchange they will request your Samsung S5500 Eco’s IMEI number, which you can find by typing in *#06# on your phone and hitting enter. If you are unable to get a free unlock code for your S5500 Eco, then you can try buying one from an online vendor, such as this site: Global Unlock.

Once you have your unlock code you are ready to use the instructions below to get your very own, fully unlocked Samsung S5500 Eco!
Unlock Samsung S5500 Eco

1. Power on your Samsung mobile phone without the SIM card in.
2. Type #7465625*638*
3. Enter your Samsung unlock code
4. Type #
5. If worked, phone should say “Network Lock Deactivated”
6. Your Samsung phone may automatically reboot.

Samsung M5650 Lindy Unlocked With Unlock Code

A Samsung M5650 Lindy unlocked will work on all GSM phone networks. Unlocking a Samsung M5650 Lindy will require a Samsung unlock code to remove the SIM lock that comes with it by default. Like the Samsung Corby this phone is a handset style touchscreen phone with WiFi, 3G, and can be unlocked using the same free instructions. According to Into Mobile, the Samsung M5650 Lindy is starting around $220 and therefore should be worthy of unlocking in my opinion.

First you will need an unlock code for your Samsung M5650 Lindy, which you should be able to attain for free by requesting one from your phone carrier. In exchange they will request your mobile phone’s IMEI number, which you get get easily, just by typing *#06#. Once you have your unlock code, use the free instructions below to get your very own unlocked Samsung M5650 Lindy.
Unlock Samsung M5650 Lindy

1. Power on your Samsung mobile phone without the SIM card in.
2. Type #7465625*638*
3. Enter your Samsung unlock code
4. Type #
5. If worked, phone should say “Network Lock Deactivated”
6. Your Samsung phone may automatically reboot.

How To Unlock Samsung Corby S3650

The Samsung Corby S3650 can be unlocked in a few ways. This article shows how to unlock a Samsung Corby S3650 without any cables or special unlocking software. In fact, the instructions provided in this article work on many Samsung mobile phones but not all. Overall, the Corby is a neat new phone from Samsung and it is worth unlocking to use with the phone carrier of your choice. Furthermore, the newer Samsung CorbyPRO can also be unlocked in the same fashion.

Before you can begin the unlock instructions on your Samsung S3650 you will need an unlock code. You can usually get a free unlock code from your phone carrier by calling them up and requesting one. You will however, need to meet their requirements, etc. If this doesnt work you may have to pay for an unlock code from an online vendor. Once you have your Samsung Corby’s unlock code you will be able to unlock it in just a few easy steps:
Unlocking a Samsung Corby S3650

1. Power on your Samsung mobile phone without the SIM card in.
2. Type #7465625*638*
3. Enter your Samsung unlock code
4. Type #
5. If worked, phone should say “Network Lock Deactivated”
6. Your Samsung phone may automatically reboot.

Unlock Samsung SGH-X427

Unlocking a Samsung SGH-X427 is a relatively easy process. In fact, I recently found a post that shows how to unlock the Samsung X427 completely free. Many unlock instructions require you to use an unlock code. The X427 however can be unlocked without one, hence why it is completely free to do.

You can also find my detailed guide on how to unlock this Samsung phone as well as many others here. Furthermore, if you have a different model Samsung phone that needs an unlock code, this article has unlock codes for over 22 different Samsung cell phones.
Here are the steps to unlock your SIM based or GSM Samsung X427 mobile phone:
Warning: Retrying this process after it doesn’t work the first 3 times could result in damage to your Samsung phone!
Unlock Samsung SGH-X427

1. Reboot your mobile phone with a SIM card from another carrier
2. At the warning message, type *#9998*3323#. A message will pop up telling you to press exit. Then hit number 7 and your phone will reboot automatically.
3. Now type *0141# and hit the send button.
4. Reboot the phone with your original SIM card.
5. At the message, type 8 zeros (00000000) and your done!

Free Samsung Unlock Codes for 22 Models

Free Samsung unlock codes for a specific phone model are hard to find as I found out.

Therefore, I decided to write this unlock guide that has the unlock codes for 22 different Samsung phone models. If you need the steps on how to unlock a Samsung mobile phone, then check out my previous phone guide.

Additionally, if your Samsung cell phone is not in this list, then you should first try and call your phone carrier requesting a free unlock code. In exchange for your Samsung unlock code, they will need your mobile’s IMEI number which you can get simply by typing *#06# and hitting your send or enter button. If your phone carrier will not give you an unlock code, then finally you may end up having to pay for one. In this case I would recommend checking out the how to get an unlock code section beneath this article.

Remember when you are entering these unlock codes you only have four chances, otherwise your phone could permanently lock. Alright, here is the list:
Free Samsung Unlock Codes

Samsung SGH-a300
*2767*637#

Samsung SGH-a400
*2767*637#

Samsung SGH-a800
*2767*637#

Samsung SGH-e400
*2767*688#

In newer phones:
#*7337#

Samsung SGH-e500
*2767*688#

In newer phones:
#*7337#

Samsung SGH-e700
*2767*688#

In newer phones:
#*7337#

Samsung SGH-E715
Turn off the phone. Put a non-accepted SIM Card and turn it on. Type *#9998*3323#. Press Exit. Choose menu #7. After phone reboots type *0141# and hit the Call button. Turn off and insert another SIM Card. Turn on. The code is 00000000.
In newer phones:
#*7337#

Samsung SGH-m100
Type *#9998*627837793#. Then type *#9998*737#. Press >/[] (Play Stop) until phone shows NCK/SPCK number. Press Exit. Type #0111*CODE# (Code is the last 8 digits of the NCK/SPCK)

Samsung SGH-P400
*2767*3855# or *2767*688# or *2767*927#

In newer Samsung models:
#*7337#

Samsung SGH-s100
*2767*7822573738#

Samsung SGH-s105
Remove SIM Card. Enter *2767*7822573738# and after phone reboots, enter #0111*00000000#

Samsung SGH-s300
*2767*7822573738#

Samsung SGH-s307
Turn off the phone. Put a non-accepted SIM Card and turn it on. Type *#9998*3323#. Press Exit. Choose menu #7. After phone reboots type *0141# and hit the Call button. Turn off and insert another SIM Card. Turn on. The code is 00000000.
In newer phones:
#*7337#

Samsung SGH-S500
*2767*3855# or *2767*688# or *2767*927#
In newer phones:
#*7337#

Samsung SGH-600
*2767*3855# or *2767*2878#

Samsung SGH-2100
*2767*3855# or *2767*2878#

Samsung SGH-V200
*2767*7822573738#

Samsung SGH-X100
Turn off the phone. Put a non-accepted SIM Card and turn it on. Type *#9998*3323#. Press Exit. Choose menu #7. After phone reboots type *0141# and hit the Call button. Turn off and insert another SIM Card. Turn on. The code is 00000000.
In newer phones:
#*7337#

Samsung SGH-X600
Turn off the phone. Put a non-accepted SIM Card and turn it on. Type *#9998*3323#. Press Exit. Choose menu #7. After phone reboots type *0141# and hit the Call button. Turn off and insert another SIM Card. Turn on. The code is 00000000.
In newer phones:
#*7337#

Samsung SGH-R210
*2767*3855#
*2767*2878#

Samsung SGH-D500
#*7337#

Samsung Universal Type
TEMPORARY UNLOCK:
Put a non-accepted SIM Card and turn it on. Type *#9998*3323#. Press Exit. You will get a new menu. Select Malloc Fail.
In newer phones:
#*7337#

If these unlock instructions for your Samsung phone are not in the above list, you can try reading my newest Samsung unlock guide for newer phones. I will post any updates as I find them. If you have any questions or comments please feel free to leave them below.