This guide is intended to help users unlock Android devices using mainstream technical methods in 2025. It will also ensure safety, cost effectiveness, and personalization of operations.
1. Prepare the core before unlocking
You will also need to verify your IMEI. You can get the IMEI code using *#06#. You can also use IMEI24 to see if the device has been blacklisted or stolen.
Tools and environment settings : Install the Android SDK platform tool (ADB/FastBOOT), and use a high-quality flashing cable (Anker PowerLine III and EFT unlocking cables are recommended) in order to prevent data transmission interruptions.

2. Screen unlocking: no data loss solution
2.1 Using the Google account recovery function: If this fails, you can try using the Google account recovery function or after the 5+mode/PIN attempt, click on the Forgot password link to log in to your device's Google account and reset directly. You can also try the Google account recovery feature. After the PIN/5+mode attempt, click on the Forgot password button to log into the device's Google account and reset the lock screen.
2.2 Methode spéciale pour les techniciens: Pour les applications bloquées par un tiers, vous pouvez appuyer et maintenir le bouton de puissance afin d'entrer en mode sûr, de supprimer des applications malignes à l'aide d’un programme d’uninstallement, enfin, éliminer l'ADB command à l’aide a obtenir accès to the file.

3. Operator unlock: Breaking the Network Restrictions
Request an unlock code via email and insert a SIM card from a carrier other than your own. Enter the UNLOCK Code to restart the device.
4. Advanced customized gateway: Bootloader unlock
4.1 Prerequisites & Risk Warnings: Unlocking can result in undesirable consequences, such as invalid warranties, Knox status 0x1 and forced data deletion. Prepare by enabling developer features, OEM unlocking and USB debugging.
4.2 Brand specific procedures: Samsung, Xiaomi and other brands offer different unlocking processes and websites.
V. Risk management and compliance
5.1 Technical risk mitigation-Anti-brick measures: Before performing any unlocking operation, it is recommended to back up the AP/BL/CP partition image and avoid using third-party software that may destroy the stability of the device. Comply with the law and unlock only legally owned devices.
5.2 Troubleshooting Common Problems: If you are experiencing problems with ADB, try replacing the USB port, or restarting the ADB service. If the unlock code you have is not valid, verify that it matches the device's IMEI, and ask the operator for the code.