This happens if someone enters incorrect codes too many times. To fix it, you must enter the Master Code (MCK/Defreeze code) provided by FastGSM before entering the Network Lock (NCK).
If you are using direct unlocking software, make sure the correct USB-to-Serial drivers for the Agere chipset are installed on your computer. You also need to configure the software to use the correct virtual COM port.
If the handset prompts with , the unlock is successful. Troubleshooting Common Issues fastgsm agere 100433
Carriers locked these devices by restricting the mobile network band configurations using a localized software block.
Insert a SIM card from a different, unsupported network operator. This happens if someone enters incorrect codes too
Once the payment is processed, the system returns a set of codes, usually including the and the MCK (Unfreeze/Defreeze Lock) . Phase 3: Entering the Unlock Code
+---------------------------------------+ | Choose Unlocking Method | +---------------------------------------+ | +------------------------+------------------------+ | | v v +-----------------------------+ +-----------------------------+ | Method A: IMEI-Based | | Method B: USB Direct | | Code Generation | | Reading & Unlocking | +-----------------------------+ +-----------------------------+ | | v v * Extract device IMEI (*#06#) * Connect via original COM/USB * Submit to FastGSM Server * Use direct unlock software * Receive Network Unlock Code * Read NCK directly from phone | | +------------------------+------------------------+ | v +---------------------------------------+ | Enter NCK or #7465625*638*Code# | +---------------------------------------+ | v +---------------------------------------+ | Device Permanently Unlocked | +---------------------------------------+ Method 1: IMEI Code Generation You also need to configure the software to
Dial *#06# on the keypad to view the . Write it down carefully.
Ensure the phone does not have an active SP (Service Provider) lock or Subset lock. If it does, you will need to input the specific SPCK or SCK code instead of the general NCK.