Help needed: paranoid about traveling to China (opens in new tab)

I’m starting my privacy journey and I’m not tech savvy at all so apologies if this question has been answered already. I have traveled to China with my parents to visit their family there a few times in my childhood and adolescence up until now, but I didn’t know any better and I have to use Wechat to communicate with them. Should I be concerned if I brought my personal devices (phone, laptop and tablet) with me, and the only two precautions I took to stay safe was using uBlock Origin and a r...