Hi @Ketaros. Had you tried rebooting your Flash 2? Or tried to OFF and ON the Bluetooth?
If still won't work, you may do the recovery procedure.
*. Enter the recovery mode
1) Turn off your phone
2) Long press Power Key and Volume Up Key
3) Select Recovery Mode
4) Press Power Key and Volume Up Key two times
5) Into Recovery Mode by Volume Up Key
Let us know if you still need assistance. Thank you.