Please see pictures of the control ,,bord ,and scooters

Have a parent Xiaomi scooter no marks othe then mi on the foot bord Battery taking a change ok Have a 4 doT dash ( didn't seem to work -alarm kep going off ) Replace with a Pro dash ( speed ect ) Same problem alarm sounds alto quiet( like the other ) And the days sometimes flashing Has a ninebot con...

I just been given a ninebot Max I believe a g30 it's an ex hire scooter how do I go about removing the speaker a tracker to make it a personal scooter is a batteries country flat any help or advice is much appreciated