GV102ZRH32 / 50 / 10 : What Is My Parental Lock Code

The default PIN code is 0000. If you have changed it and forgotten the PIN for your GV102ZRH you can reset it:

Press Menu followed by 0 to bring up the Diagnostics Page, then press the following colour buttons in order:  Green, Red, Blue, Blue, Yellow. This process will initiate a factory reset.