Yes the freezing etc could well be caused by the psu and at 125 its way too low. I replaced one last week for exactly this reason..... no problems since then. ( but I wont promise its the problem in your case).... A good cheap PSU... click here
OnePlus 5 review
Alice Saey's mesmerising animation for Dutch singer Mark Lotterman
iPad Pro 10.5in (2017) review
Comment booster votre iPhone ?