Z3X Server Credits

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Unlock Credits Pricing & Unlock Credits

About Z3X Server Credits

Exclusive solution for unlocking phones - Z3X Server Credits enable you to unlock the latest Samsung & LG phones by reading the unlock codes from the phone safely and quickly - without the need to root (void KNOX flag) and risk of bootloop. Just click Read Codes in the latest Z3x software.

  • the code reading procedure is completely safe
  • it does not void the KNOX flag
  • does not cause any damage to the phone
  • your data remains unchanged
Please note:
Developer provides support only for those phones which are on the list of supported. Not all servicing features can be applied to some supported models, due to the difference in hardware/software versions.

To check the actual model support and pricing you can find it on our site.

This solution

  • works without any connection to the 3rd part server.
  • fully independent from anyone, so nothing to worry about (someone close the account, problem on the server, access changes, etc.).
  • It is also one of the most trusted and stable solutions on the market.
  • We guarantee a 99,9% server uptime.

Starting from 37 versions of Samsung tool to repair IMEI, and some other operations with phones you need to have an account with credits on it, to can authorize on the server. The number of credits in the account does not matter, but must be more than zero. It’s free, credits will not be charged.

To use Z3X Server Credits it is required to have Z3X Samsung or LG Activation.

Without this, you won't be able to use the new solution.

How to unlock?

There are two methods of unlocking the phone: Direct Unlock and Read Unlock Codes.

How to know which method is needed?

Insert a SIM card of another operator. The phone will tell you that it is locked ("Invalid Sim Card") or ask for codes.

Before do any unlock read this!

Before performing direct unlock or code reading operation:
  • Make sure that you need these codes. Just power the phone on and check if the phone requests codes.
  • Check the CERT pass and MIPI device
  • Do not use login/pass if you don't buy it from official resellers. If that happens, the stolen login/pass will be used on that card - this card will be banned forever so it's best not to play with it.

About Credits Code Reading

Don't read codes for VERIZON(VZ) or SPRINT(SPR, BST) or T-MOBILE(TMB) phones. Do not lose your time and credits. We don't refund code. These phones are not accepted normal freeze or network codes.

Rules of code reading:

  • If the codes are delivered by software, the codes are 100% correct.
  • If the software has started reading and not delivered due to the internet connection then create a request on Z3X support or contact sales @z3x-team.com for codes any time or you can repeat the operation.
  • If double credits charge for the same phone, don't worry - just create a request on Z3X support or send an email to sales @z3x-team.com.
  • For codes request need:
  1. Phone SN
  2. Login
  3. Logs

About Direct Unlock

If something happens and unlock operation fails - send emails max 48 hours after the job done to sales @z3x-team.com.
For credits recalculating balance request need:

  • Phone SN
  • Login
  • Logs

Z3X Token


You can use your credit account as a payment method with third-party software. All you need to do is generate tokens instead of a password for the account. The token is generated in the new version of Shell(Alpha), the Credits section.

How to use

  1. First, you need to download the new version of the Shell(Alpha).
    Shell Alpha Download
  2. Install and run the program.
  3. Then go to the "Credits" tab and insert your username/password. You can select the "Remember credentials" option so you don't have to enter it every time.
    If you don't remember any account details, use the " I forgot my credentials" option which will bring you to our support site. There you can create a request and get information about your account.
  4. After clicking on the "Login" button, you will see a window with the following functions:
    - A slider button to attach the account to your card (1).
    - A slider button for generating a token(2).
  5. After activation slider button(2) you will be able to use the credits to pay for third-party services and the token generation link will appear.
  6. Click on "Show token" to generate your token. The token is valid until it has been used once. To generate a new token, use the switch again.

Credits usage guidelines

Step by step guide for new user

How to attach your credit account to your Z3X card?

pic 1. Link credits
  1. Open Samsung or LG Tool
  2. Go to Settings
  3. Enter your username and password in the appropriate field
  4. Click on the 'Link with card' button(pic 1)
Make sure that you are typing the user name and password correctly -  Caps Lock is turned off, uppercase or lowercase letters and extra spaces.

How to unlink your credit account from your Z3X card?

pic 2. Unlink credits
  1. On your client's card (to which the required credit account is attached), open Samsung or LG Tool
  2. Enter the login and password
  3. Click on the 'Link with card' button
  4. The tool will ask you as shown in the image below(pic 2).
  5. Click yes to detach login from client's card

You can now login to the account with other cards.

How to check your credits balance

pic 3, check credit balance
  1. Download the latest version of Z3X SamsungToolPro via Z3X Shell software here
  2. Run the software on your PC
  3. Open the “Settings” tab and enter your login and password
  4. Press the “Credits History” button (pic 3)

Code Reading procedure

  1. Connect the phone to PC via USB cable (no root required)
  2. Enable ADB mode
  3. Press “Read codes”
  4. Enter account username and password sent to get ordered credits
  5. Credits are non-refundable

How to buy Z3X server credits

You need to have the Samsung Tool or LG Tool activated in order to buy credits, depending on which phones you plan to unlock.

You can buy a new credit account or refill credits to an existing one you have. Inform your sales manager about it while ordering the item. Otherwise, the system will automatically create a new account for Z3X Server Credits.

Please note that there is no way to combine credits from different accounts.

For bulk quantity, contact your reseller.

Z3X Credits Pricing

To find out unlock prices and which firmware versions were successful by users you can follow the link and see the model you are interested in.

Questions and issues of credit usage

The phone doesn't accept code

One problem can be that the phone is non-updated or after firmware downgrade. Just upgrade the phone to the last firmware and do the master reset, the phone will accept the codes.
Check that your phone doesn`t require Freeze code. If asks for Freeze - enter it first and then Network code.

P.S. NETWORK PUK code = freeze code.

Also, check maybe it is a TMB phone with not original firmware.

When trying to enter an unlock code, the message "Phone frozen" is displayed.

NETWORK PUK code = freeze code

This means that the wrong unlock code has been entered too many times, which results in "freezing the phone", otherwise known as being bricked.

In this case, you will need a defrosting code (MCK code) to solve the problem of freezing the message on your phone.

Credits charged twice for the same phone

This can happen if the IP is changed or other issues.

Please don’t worry about duplicate credits using the same phone. Duplicate credits using will be refunded anyway. This issue can be fixed via email or by creating a request on Z3X support with phone SN, LOGS, LOGIN. All very simple.

Before sending the email, check the credits again using history to avoid time-wasting.

While unlock happens error, credits taken, phone not unlocked

customer on from on me. - the problem can be that the phone is non-updated or after a downgrade, cable problems, driver problems, or internet timeout. The fast way is just repeating the unlock using the same IP and same card.

Please note that you must send your refund request within two weeks after the situation happens.

If any double credits happen, nothing to worry about. Duplicate credits will be refunded anyway. Just send an email about the credits issue: sales @z3x-team.com or create a request in our support site with

  • phone serial number
  • login
  • logs

Before sending a request, check credits again using history to avoid time-wasting.

Error while unlock/ credits not taken

Can be problems like

  • New security phone
  • not supported phone
  • problem with drivers, cable

Please post all the details about the issue on the support forum with logs.

Bad Internet connection

If the code reading operation started and wasn't completed due to bad Internet connection, please post all the details about the issue on the support forum. For codes request you need to provide

  • phone serial number
  • login
  • logs

"You can't use this empty account with this operation. Please refill your account or use another one"

Your credit account can have any number of credits to make an operation, but it is necessary to be above zero.

"This account can't be locked with this card because other cards have made their first operation on it"

Appears when someone tries to link an account to a card but the first operation on it was done by another card.

"Important!If someone shared this account with you, then ignore this message and repeat your operation again."

"If you bought this account, IMMEDIATELY REQUEST FOR MONEY BACK in your seller because this account is already in use by other cards and you can lose access to it any time!"

Displayed only once for a login + card pair in any operation with the phone, if the account has already been used with another card. This means that the person who used the account first knows the password and can bind the account to his card at any time and you will lose money.

This information must be read before purchase!

Buying credits

Please, note:
  1. If your seller is not present in the list, you buy credits at your own risk.
  2. Do not share your credit account password with anyone else.
  3. We recommend you to attach the credit account to your z3x card immediately after purchase.

These simple rules will help to save your time and money

The list of official resellers you can find on our site.

Useful and important links:

  1. FAQ
  2. Video instructions at youtube
  3. Service Support Forum
  4. Where to buy