I had the exact same issue and can confirm that it is just a caching issue. Using Incognito mode I'm able to see that my plan is switched successfully.
Amazon Music data usage is known to be quite high compared to other music services. It must have been in online mode somehow. Should be a way to switch it to offline mode. That or you will just have to keep data turned off when listening to Amazon Mu...
I've had great success with WeBoost stuff. If you feel like taking the spicy route there are tons of cheap Chinese-brand ones. I'd just be extra careful with them and make sure to read up on reviews for it. I wouldn't be concerned about you interferi...
Generally the more MaH the battery is the more capacity, but that isn't really an accurate measurement of battery life. Battery life largely comes down to what components are in the phone (silicon, screen, cameras, storage, etc) and how well the phon...
