Battery life: How to make your iPhone or Android last longer

Not all consumers share the enthusiasm of Google and Apple though, and rarely - if ever - use Google Assistant and Siri. Whether you use them or not, by default the two assistants are always listening out for their trigger words, and this uses up battery life. On Android, you can switch this off by going to Settings, Google, Search, Voice and "Ok Google" detection. On iOS, go to Settings, Siri and Allow "Hey Siri". Virtual assistants are becoming increasingly capable, and therefore increasingly important in tech companies' eyes.