i guess,  when you pay peanuts, you get monkey web developers....

this is shocking, you shouda viral it. first time, i see an app asking permission to erase all data and factory reset...

Well its celcom. Their website isn't mobile friendly up until 1-2 years ago. Their mobile app has gone through multiple refresh and rebrand with crappy non untuitive ui every time. Their network hasn't got volte and vowifi support yet while the underdogs umobile and yes4g got it for a few years already. They're the cimb of mobile telco.