Invert mini turning on/off

[Ry cooper]

Hi @MeDiC iv jst brought a mini wont turn on at all iv replace the battery out of my other mini so i no the battery is good apparently t chap who i brought it off said its very hit n miss powering up iv had a quick go cnt get it to power up. How much wpuld it cost to sort out??

 

[MeDiC]

Hi bud, you tried pressing the button different ways or even with pin or the edge of your nail ?

Failing that, I can either sort it or message you with the steps to DIY if you're confident with a soldering iron...