Any mobile phone has [url]=https://www.truegossiper.com/secret-codes-to-unlock-any-mobile-cell-phone/secret codes to access some hidden[/url] features such as unlocking the phone, general device testing, displaying your IMEI code and several other checks. Discover in this article the list of all USSD codes to format or reset all mobile cell phones.
This complete guide to unlock all phones will be mainly divided into 2 parts including:
Secret Codes To Unlock Any Mobile Cell Phone
These codes are very useful especially when you have forgotten your password or lock code but also the lock scheme: case of Android. There, you need these codes or manipulations to be able to restore the phone.
These codes should work on all Android devices such as Samsung, Sony Xperia, ITEL, Tecno, Infinix , Xiaomi, One Plus, etc.

If the codes to restore Android do not work then use the combination of the VOLUME and POWER keys. Also note that since Android 5, Google has introduced a new protection, it is the GOOGLE FRP protection, so you will be asked for the Gmail account as well as the password after the reset.
The procedure for bypassing the Google FRP account depends on one phone to another.
List Of ITEL And TECNO Universal Passwords
Here is a list of default codes for non-Android Chinese phones . Try them to remove the security code on Tecno, iTel with keys.

Please note that most phones limit the number of attempts to 5 attempts. In this case, you will have to wait 30 minutes before trying the security unlock code again.