I use cheap android devices. My current one is a cheap Motorola and before samsung and Chinese vendors. I've never seen bugs like I have encountere since the last update (2 months ago).

Unless I reboot the device everyday, I can't make a call. The button is pressed but never proceeds to ring, doesn't even show an error message. The play service complains that I am logged out but shows my account info in the login panel!! Rebooting is the only way, android is like windows currently.

I am just scared to update anything these days. And not just android apps, Even rsync gave me a minor scare (fortunate my backup jobs are on debian stable).