Chosen Solution

my phone is a demo phone and fingersanner is not working and cant remeber my alt password

Hello Festus, you have 2 choice:

  1. enter in the recovery partition and format the phone doing this: shut down the phone, the push and hold volume down + power + home till you will see something different from what you are used to. Something like an 80’s computer interface. Than choose WIPE DATA / FACTORY RESET take a look at this video: https://www.youtube.com/watch?v=EIGst3ed…
  2. When you will have reset you phone, if you still have demo limitation, you have to use a tool called ODIN and flash (install) and original firmware (called stock). You have to search on forum like XDA, because is the only way for give the phone a full functionality.